Best Water Filter Buying Guide Comparison: Don’t Miss Out!

Do you want cleaner, safer water straight from your tap without the hassle of complicated setups? Choosing the right water filter can be confusing with so many options available. The best water filter buying guide comparison will help you understand which models suit different needs and budgets.

The best water filter buying guide comparison will help you understand which models suit different needs and budgets. This guide is useful for anyone looking to improve their drinking water quality, whether you live in a city with hard water or rely on well water. You’ll find helpful information about various filter types, including countertop units, under-sink systems, and pitchers, each offering specific advantages.

In this review, we’ll explore key features, filtration capabilities, and ease of use. By the end, you’ll have a clearer idea of what to prioritize to find a water filter that fits your lifestyle and provides safe, great-tasting water every day.

Discover Top Choices and Key Features to Make Your Perfect Water Filter Pick

Image	Product	Price
Pick 1	Survivor Filter PRO Portable Water Filter for Camping, Survival &	Check Price On Amazon
Pick 2	Aquaboon 20″ x 4.5″ Whole House Well Water Filter System	Check Price On Amazon
Pick 3	Culligan WH-S200-C Whole House Water Filter Housing – 3/4″ Inlet/Outlet,	Check Price On Amazon

1. Survivor Filter PRO Portable Water Filter for Camping, Survival &

Survivor Filter PRO offers an efficient and lightweight solution for clean water during outdoor adventures. Its portable design makes it ideal for camping, survival, and hiking situations where access to safe drinking water is critical.

Easy to carry and quick to use, the filter ensures waterborne contaminants are effectively removed. With reliable performance standards, it suits anyone needing dependable hydration on the move.

Designed to meet demanding outdoor needs, this water filter weighs only 8 ounces, making it simple to pack without adding bulk. The compact system uses a hollow fiber membrane and ultrafiltration for advanced purification.

It removes 999% of viruses, bacteria, protozoa, and significantly reduces heavy metals, complying with NSF/ANSI standards.

The flow rate is impressively fast at 500 milliliters per minute, allowing direct use from natural water sources. No electricity or charging is necessary, making it perfect for extended trips where access to power is limited. The kit includes everything needed: a cup, carrying bag, replacement filters, tubing, and clear instructions.

Built with BPA-free materials and a durable construction, the filter system maintains water taste quality through total dissolved solids reduction and scale control. Ideal for hikers, campers, and survivalists, it enables quick hydration without compromise.

Pros

• Removes 99.999% of viruses, bacteria, protozoa, and heavy metals
• Lightweight and portable design fits easily in backpacks
• Fast filtration rate of 500ml per minute for on-the-go use
• BPA-free construction enhances safety and water taste
• Includes accessories like cup, bag, extra filters, and tubing
• Lifetime manufacturer warranty ensures long-term reliability

Cons

• Maximum TDS support is 1000 ppm, which may limit filtering highly contaminated water

Survivor Filter PRO stands out with its blend of durability, efficacy, and portability at an accessible level of care for outdoor water filtration. It competes well with other backpacking filters by delivering rapid flow and comprehensive pathogen removal without the hassle of power sources. Those seeking a lightweight solution for safe hydration while camping or hiking will find this system dependable and user-friendly.

2. Aquaboon 20″ x 4.5″ Whole House Well Water Filter System

Experience cleaner and safer water throughout your home with the Aquaboon 20 x 5 Whole House Well Water Filter System.

Designed to remove impurities at the source, this robust filtration unit delivers fresh water to every faucet, protecting your family and appliances. Built for durability and efficiency, it’s an essential step toward improved water quality.

Specially crafted for well water and municipal supplies alike, this system combines convenience with powerful purification. Its sturdy construction and easy installation make it a practical choice for homeowners seeking reliable filtration without hassle.

The Aquaboon whole house filter system ensures thorough water treatment through a single-stage activated carbon process. This method effectively reduces chlorine and other contaminants, improving taste and odor while safeguarding your plumbing. Its 10 x

5 housing supports standard cartridges, providing flexibility for replacement and maintenance.

Its reinforced polypropylene housing is engineered to withstand high flow rates and chemical exposure, making it suitable for heavy-duty applications. The 1 inlet/outlet ports facilitate strong water pressure across your home’s plumbing network, ensuring consistent performance.

Installation is straightforward, featuring a user-friendly mounting bracket that simplifies setup. Manual operation requires no electricity, lowering energy costs and increasing reliability. Supporting water with up to 500 ppm total dissolved solids, it handles various water qualities effectively.

Ideal for homeowners with well or municipal water sources, this filter system offers a balanced blend of durability, ease of use, and purification efficiency without unnecessary complexity.

Pros

• Sturdy 10″ x 4.5″ housing built for long-lasting use
• Effectively reduces chlorine and common impurities
• High-flow design with 1″ ports for strong water pressure

Cons

• Single-stage filtration may not remove all types of contaminants

Overall, the Aquaboon whole house filter system delivers reliable water purification for both drinking and utility use. Its rugged build and ease of installation make it a practical choice for families wanting better water quality without complicated setups. When compared to multi-stage filters, it provides a cost-effective, straightforward solution for homes with moderate water purification needs.

When compared to multi-stage filters, it provides a cost-effective, straightforward solution for homes with moderate water purification needs.

3. Culligan WH-S200-C Whole House Water Filter Housing – 3/4″ Inlet/Outlet,

Deliver clean, fresh water throughout your entire home with the Culligan WH-S200-C Whole House Water Filter Housing. Designed to reduce sediment, dirt, sand, and silt, it improves water quality from the point it enters your house.

Installing the system is straightforward thanks to its 3/4 inlet/outlet connections and an easy-to-use valve-in-head bypass shut-off. The clear housing design makes monitoring filter condition simple, helping you stay ahead with timely replacements. This housing is compatible with several Culligan cartridges, delivering flexible filtration options that suit different needs.

The Culligan WH-S200-C provides whole house sediment filtration that protects plumbing fixtures and appliances effectively. Its robust build handles a maximum flow rate of 4 gallons per minute and operates efficiently up to 100°F temperature. The clear housing allows visual inspection without disassembly, simplifying maintenance routines and saving time.

Users will appreciate the built-in pressure relief button easing cartridge changes without mess or hassle. Compatible with multiple filter cartridges like P5, CW-F, CW-MF, and S1A-D, it offers versatility to meet varied filtration needs. The system supports water with total dissolved solids up to 1000 ppm, expanding usability to many water types.

The system supports water with total dissolved solids up to 1000 ppm, expanding usability to many water types.

Ideal for homeowners seeking a reliable sediment filter, this housing extends equipment lifespan by minimizing sediment buildup. Its installation type suits whole house water tanks, making it an effective first stage filtration unit.

Compared to similar models, the Culligan unit stands out through its clear housing and convenient valve design which simplify upkeep tasks.

Pros

• Clear housing design for easy filter life monitoring
• Valve-in-head bypass shut-off enables effortless cartridge replacements
• Compatible with multiple Culligan cartridges for flexible filtration

Cons

• Maximum temperature rating of 100°F might limit use with hotter water supplies

Offering durable construction and user-friendly features, the Culligan WH-S200-C supports a cleaner water supply with low maintenance effort. Its compatibility with various cartridges and clear housing adds to its value as a whole house filtration solution. For those focusing on sediment removal and protecting household plumbing, this filter housing is a strong option.

For those focusing on sediment removal and protecting household plumbing, this filter housing is a strong option.

4. Water-Drive Cleaning Spin Down Sediment Filter with Water Pressure Gauge,

Experience a new level of water filtration with the Water-Drive Cleaning Spin Down Sediment Filter. Designed for durability and efficiency, this filter uses an innovative self-cleaning system to keep your water clean without constant manual maintenance.

Combining advanced technology and user-friendly features, this filtration unit showcases real-time pressure monitoring and a lead-free pathway to promote health and safety. Its robust design ensures long-lasting performance even under demanding conditions, making it a reliable addition to any home water system.

The heart of this sediment filter lies in its water-driven self-cleaning mechanism. A built-in turbine spins during flushing, creating centrifugal force that effectively removes trapped debris from the mesh.

This process eliminates the hassle of frequent filter replacements and manual cleaning.

The lead-free polymer pathway stands out by incorporating a food-grade polymer lining inside the solid brass head. This innovation prevents your water from contacting any metal, significantly reducing the risk of heavy metal contamination. Every component meets stringent safety standards, including SGS certification and BPA-free materials.

Monitoring your water pressure becomes effortless with the integrated top-mounted gauge. A quick glance lets you detect pressure drops caused by clogging, enabling timely maintenance and consistent water flow for your entire house.

With a high flow rate of 22 gallons per minute, it supports substantial water needs while maintaining reliable filtration. Additional safety features include double O-rings to prevent leaks, an anti-water hammer spring to protect appliances, and an explosion-proof filter bottle that withstands up to 900 psi. Its temperature range supports operation in various climates, from freezing cold to warm environments.

Its temperature range supports operation in various climates, from freezing cold to warm environments.

Installation suits whole-house setups, ensuring sediment is filtered at the main water entry point. Given its durability and ease of use, this product is excellent for homeowners seeking efficient, low-maintenance sediment filtration without compromising water quality.

Pros

• Automatic water-driven self-cleaning turbine reduces maintenance effort
• Lead-free polymer lining eliminates heavy metal contamination risk
• Integrated pressure gauge enables real-time monitoring of water flow

Cons

• Installation primarily suited for whole-house systems, limiting portability

The Water-Drive Cleaning Spin Down Sediment Filter offers a smart and durable way to maintain clean water in your home without frequent upkeep. Its practical features and robust build make it a wise choice for those who value convenience and safety. Compared to alternative sediment filters, this unit’s self-cleaning capability and pressure monitoring add significant benefits that enhance its overall value.

Compared to alternative sediment filters, this unit’s self-cleaning capability and pressure monitoring add significant benefits that enhance its overall value.

5. PureWater Filters Inline Water Filter Kit for Refrigerators with Ice

PureWater Filters Inline Water Filter Kit elevates your refrigerator water and ice quality by effectively reducing chlorine, taste, and odors. Certified by NSF International for reliable filtration, this kit ensures every sip and ice cube offers improved freshness.

The kit comes complete with essential accessories, including quick-connect fittings and a 15-foot NSF-certified water line. Designed to last up to a year or 1500 gallons, the filter not only enhances taste but also extends the life of your ice maker.

With its durable components and effective filtration technology, it provides great value for households seeking cleaner water with minimal effort.

PureWater’s inline filter kit fits directly into your fridge’s water supply line and is compatible with most models that feature a 1/4 inch line or adapter. The quick-connect fittings allow for a hassle-free installation process without professional help. NSF certification confirms its ability to reduce common impurities like chlorine, improving overall water flavor significantly.

NSF certification confirms its ability to reduce common impurities like chlorine, improving overall water flavor significantly. This filter also helps prevent scale buildup, which protects the appliance and reduces maintenance needs. Its durable design includes a mounting bracket to secure the filter firmly, minimizing vibrations and noise during operation.

With a year-long service life, the cartridge balances longevity and performance, saving frequent replacements. This kit is ideal for families or individuals who want a simple, effective solution for better tasting water and ice at home.

Compared to similar in-line filters, it offers a reliable warranty and a well-rounded accessory package that enhances user experience.

Pros

• NSF certified for chlorine, taste, and odor reduction
• Easy installation with quick-connect fittings and complete accessories
• Long-lasting filter with a service life of up to 1500 gallons or one year

Cons

• Requires a 1/4 inch water line or adapter for compatibility

PureWater Filters Inline Water Filter Kit provides a dependable and straightforward solution for improving your refrigerator’s water and ice quality. Its certified performance paired with useful installation hardware makes it a smart upgrade that adds value to everyday hydration.

Below is a summary of the key technical details for easy reference.

6. Whole House Water Filter Housing, Fit 10″x2.5″ Sediment etc Filters

Experience reliable water filtration designed to safeguard your entire home with the Whole House Water Filter Housing. Its clear housing offers a transparent view, allowing you to monitor your filter’s condition easily. Tailored to fit standard 10×2.

Tailored to fit standard 10×2.5 sediment and other style filters, it integrates seamlessly into a variety of water systems.

Engineered with convenience and durability in mind, this housing features a space-saving, bracketless design. It supports quick installation with included adapters and a wrench, making maintenance swift and straightforward. Manufactured from food-grade ABS material, it promises safety without compromising performance.

Designed to fit standard 10-inch filter cartridges, this housing ensures compatibility across many filtration setups. The inclusion of both 1/2” and 3/4” adapter threads enhances adaptability with existing plumbing or reverse osmosis systems.

Clear housing design grants visual access to monitor water clarity and filter status, alerting you when replacements are needed. Material-wise, food-grade ABS provides durability while keeping your water safe and odor-free.

Performance-wise, paired filters maintain water clarity over thousands of gallons, reducing sediment and protecting downstream equipment for longer service life. Easy installation with included accessories saves time, while the housing’s robust build guarantees stable operation.

Pros

• Clear housing enables easy monitoring of filter condition and water clarity.
• Bracketless design reduces installation complexity and potential leak points.
• Food-grade ABS construction ensures safe, odor-free water without harmful contaminants.

Cons

• May require additional filters or components based on specific filtration needs.

Offering a versatile and user-friendly solution for sediment filtration, this water filter housing combines quality materials with thoughtful design. Its clear, bracketless build and adaptable fittings make it a strong contender for residential and RV owners alike seeking straightforward maintenance and reliable performance.

7. iFilters Whole House Sediment, Rust & CTO Filter Clear Housing

Experience cleaner, safer water throughout your home with the iFilters Whole House Sediment, Rust & CTO Filter Clear Housing. Designed to reduce sediment, rust, and chlorine taste, it guarantees improved water quality for every tap.

Built with certified components in California, this reliable filtration system extends the longevity of your appliances by removing contaminants before they cause damage. It fits seamlessly into whole house, inline, or under-sink setups, catering to diverse installation needs.

The iFilters unit delivers an effective filtration method using a carbon block that reduces total dissolved solids (TDS) and unpleasant odors. Featuring a maximum flow rate of 3 gallons per minute, it maintains steady water pressure for daily household use.

The filter housing incorporates a 3/4 NPT port and a convenient pressure relief button on the cap for hassle-free cartridge changes.

The system suits water with TDS levels up to 500 ppm and supports temperatures up to 120 °F, making it versatile for various environments. Manual operation ensures straightforward use without complicated setups.

Ideal for households looking to safeguard washing machines, water heaters, and other appliances against sediment buildup and rust damage. Compared with similar filters, this product stands out for its clear housing design and easy filter replacement features that enhance user-friendliness and upkeep convenience.

Pros

• Effectively filters sediment, rust, and chlorine odors for cleaner water
• Clear housing allows quick visual inspection of filter condition
• Easy cartridge replacement with built-in pressure relief button

Cons

• Maximum flow rate may limit use in larger households with high water demand

The iFilters Whole House Sediment, Rust & CTO Filter provides consistent water filtration that protects both your family and appliances. Its durable build and thoughtful features bring reliable performance with minimal hassle, making it a smart addition to home water systems.

8. iSpring CT10-CL 7-Stage Countertop Water Filter System, pH-Balanced, Reduces Heavy

Experience enhanced drinking water quality with the iSpring CT10-CL 7-Stage Countertop Water Filter System. This compact unit combines advanced filtration technology with easy installation, making it an ideal addition to any kitchen setup.

Designed for those who value both taste and health, the iSpring CT10-CL targets common contaminants while preserving essential minerals. Its sleek countertop design suits apartments, rentals, or homes needing efficient water purification without permanent alterations.

The iSpring CT10-CL employs a sophisticated 7-stage filtration process to reduce chlorine, VOCs, sediment, odors, chloramine, fluoride, and other impurities that can affect water flavor and safety. Each stage is optimized for superior filtering performance, resulting in smoother, cleaner water with every sip. Maintaining the water’s natural mineral content, it gently balances pH through a calcite layer, enhancing mouthfeel and overall taste.

Constructed with food-grade, BPA-free materials, the system promises durability and leak resistance. Installation is simple and tool-free, connecting directly to most standard faucets with included adapters and wrench.

Users can easily switch between tap and filtered water by turning a simple valve, providing convenience for busy kitchens. With each filter lasting between 6 and 12 months depending on water quality, ongoing maintenance is minimal.

This countertop filter is perfect for individuals or families who want a reliable, portable water purifier without complex plumbing. Compared to other countertop models, the CT10-CL’s retention of healthy minerals stands out, delivering a balanced pH that many alternatives overlook. It suits households aiming to improve taste and reduce contaminants while preserving beneficial water properties.

Pros

• Comprehensive 7-stage filtration reduces chlorine, VOCs, sediment, and more
• Maintains natural minerals and balances water pH for better taste
• Easy countertop installation without drilling or plumbing required

Cons

• Filter replacement frequency depends on local water quality, possibly needing more frequent changes in very hard water areas

The iSpring CT10-CL countertop water filter combines effective multi-stage purifying capabilities with user-friendly design. It safeguards water quality while enhancing flavor, making it a reliable choice for daily use. Ideal for renters and homeowners alike, the system provides healthy, balanced water without altering your kitchen’s structure.

Ideal for renters and homeowners alike, the system provides healthy, balanced water without altering your kitchen’s structure.

Ultimate Guide to Choosing the Best Water Filter: In-Depth Comparisons and Expert Tips

Water source and contaminants

Getting started with selecting a water filter is all about knowing what’s in your water and what you want to improve. Testing your water quality can provide insight into specific contaminants like chlorine, lead, or sediment, which can greatly influence the type of filter best suited for your needs.

Common contaminants to remove often include bacteria, chemicals, heavy metals, and unpleasant tastes or odors that affect the water’s quality and safety. It pays off to pay attention to filter certifications and standards such as those from NSF International or the Water Quality Association, as these independently verify the filter’s performance and reliability. Having personally explored several options, choosing a filter that matches the water source and targets the contaminants typical in your area makes all the difference in providing safe, clean drinking water.

Investing some time in understanding these key features and getting a reliable test done can lead to a much more satisfying and effective water filtration experience.

Filtration technology and effectiveness

When selecting a water filter, understanding the types of filtration available can greatly enhance your decision-making process. Activated carbon filters are excellent at removing chlorine, sediment, and organic compounds, which helps improve taste and odor. Reverse osmosis systems provide a thorough purification by forcing water through a semipermeable membrane, effectively eliminating many dissolved solids, heavy metals, and contaminants.

Reverse osmosis systems provide a thorough purification by forcing water through a semipermeable membrane, effectively eliminating many dissolved solids, heavy metals, and contaminants. UV purification uses ultraviolet light to target bacteria and viruses, offering an added layer of microbial safety without altering the water’s mineral content. Ceramic filters have tiny pores that mechanically block bacteria and sediment, making them durable and easy to maintain.

Some advanced units combine these methods into multistage filtration setups, which sequentially remove different types of impurities for cleaner and safer water. For everyday household use or outdoor activities, the choice depends on your water source and what impurities it might contain.

Paying attention to filter lifespan, replacement costs, and ease of installation will help maintain consistent water quality while matching your budget and lifestyle needs.

Installation and maintenance

Choosing the right water filter often depends on how easy it is to set up and maintain, which can make a big difference in everyday use. A good system should allow for straightforward installation without requiring specialized tools or professional help, so you can start enjoying clean water quickly. How often the filter needs replacing and the cost of those replacements are practical factors that affect your ongoing expenses; filters with long-lasting cartridges might come at a higher initial price but save money over time.

Regular cleaning is necessary to keep the filter functioning well, but some models demand less frequent upkeep or have self-cleaning features, making them suitable for those who prefer low-maintenance solutions. Balancing ease of installation with manageable upkeep and replacement costs will help you find a water filter that fits smoothly into your lifestyle and provides consistent quality water without hassle.

Types of water filters

Choosing a water filter that fits your lifestyle starts with understanding the different options available and their specific uses. Pitcher filters are great for those who want a simple, portable solution that requires no installation and fits easily in the fridge, perfect for improving taste and reducing common contaminants in your drinking water.

If you prefer a more permanent setup with greater filtration power, undersink filters hide out of sight beneath your sink and can handle higher volumes while removing a wider range of impurities, making them ideal for households that prioritize thorough purification. Countertop filters also offer robust filtration but sit above the counter and often connect to your faucet, balancing ease of installation with effectiveness, and they suit users who want quick filtration without drilling or complicated installs.

Whole-house filters provide comprehensive filtration for all the water entering your home, protecting appliances and plumbing while delivering cleaner water to every tap, which is beneficial for those concerned about contaminants affecting the entire household’s water supply. When choosing among these, consider the water quality in your area, the contaminants you want to target, installation preferences, budget, and how much filtered water you need daily. Paying attention to filter life and replacement costs ensures long-term value, and checking certifications from trusted organizations can provide peace of mind about a filter’s performance.

Paying attention to filter life and replacement costs ensures long-term value, and checking certifications from trusted organizations can provide peace of mind about a filter’s performance. By matching these factors with your particular needs—be it portability, coverage, or ease of use—you can make a confident choice that improves your water quality effectively and conveniently.

Capacity and flow rate

When selecting a water filter, paying attention to the filter lifespan and capacity can save both time and money while maintaining clean water consistently. Filters with longer lifespans reduce the frequency of replacements, making them convenient for those seeking low-maintenance options. Considering how much water your household consumes daily is beneficial since higher capacity filters accommodate larger family needs without compromising purification quality.

Considering how much water your household consumes daily is beneficial since higher capacity filters accommodate larger family needs without compromising purification quality. Additionally, the daily water usage often guides the choice of filter capacity, balancing effectiveness with practical convenience. The water flow rate also plays a noticeable role in user experience; a filter that supports an adequate flow ensures water is dispensed quickly enough for cooking, drinking, and other tasks without undue waiting times.

Depending on whether the water filter is for a single individual, a couple, or a bigger family, these factors align differently to meet specific demands. Selecting a model that matches family size and routine water needs prevents unnecessary expenses and guarantees a steady supply of purified water throughout the day.

Cost and warranty

Choosing the right water filter begins with understanding the initial purchase price, which can vary widely based on the filtration technology and brand reputation. While some affordable models work well for basic purification, investing a bit more often provides enhanced filtration capabilities and durability. It’s also wise to consider longterm maintenance expenses, as many filters require regular replacement cartridges or cleaning parts that contribute to the overall cost over time.

It’s also wise to consider longterm maintenance expenses, as many filters require regular replacement cartridges or cleaning parts that contribute to the overall cost over time. Reliable customer support and warranty coverage add peace of mind, as they protect your investment and offer assistance if any issues arise during use. When selecting a water filter, balancing upfront costs with ongoing expenses and support options will help ensure you find a solution that fits both your budget and water quality needs effectively.

FAQ’s

What Features Should I Look For In A High-Quality Water Filter?

Look for a water filter with multi-stage filtration that removes contaminants like chlorine, heavy metals, and bacteria while retaining essential minerals. Additionally, ensure it has certified testing standards, a long filter lifespan, and easy maintenance.

How Do I Choose The Best Water Filter Based On My Water Quality Needs?

To choose the best water filter, first test your water to identify contaminants like chlorine, lead, or bacteria. Then select a filter certified to remove those specific impurities while considering factors like filter lifespan and flow rate.

How Do Price And Maintenance Costs Compare Among Popular Water Filter Brands?

Popular water filter brands vary in price, with basic models being more affordable and advanced systems costing more upfront; however, maintenance costs such as replacement filters also differ, often making some brands more economical over time despite higher initial expenses. Generally, brands with higher-quality filtration tend to have higher maintenance costs but offer better long-term value through improved water quality and durability.

What Certifications And Standards Indicate A Reliable And Effective Water Filter?

Reliable and effective water filters are typically certified by NSF International or the Water Quality Association (WQA), meeting standards such as NSF/ANSI 42 for aesthetic effects and NSF/ANSI 53 for health-related contaminants. Additionally, filters complying with EPA guidelines or carrying certifications like UL or WQA Gold Seal further indicate quality and safety.

What Are The Different Types Of Water Filters Available On The Market?

The main types of water filters available on the market include activated carbon filters, reverse osmosis systems, UV purifiers, ceramic filters, and ion exchange filters. Each type targets different contaminants to improve water quality for various needs.

Conclusion

Choosing the right water filter depends on your specific needs, such as filtration type, capacity, and maintenance requirements. While some models offer advanced purification and added convenience, they may come with higher costs or more frequent filter replacements. The best water filter buying guide comparison highlights important features like contaminant removal capabilities, ease of installation, and overall value, helping buyers balance benefits with potential drawbacks.

The best water filter buying guide comparison highlights important features like contaminant removal capabilities, ease of installation, and overall value, helping buyers balance benefits with potential drawbacks. This guide is especially helpful for those seeking clarity amid many options and aiming to find a solution that fits their household’s water quality and budget. By considering the insights provided, readers can confidently select a water filter that delivers safe, clean water without overspending or compromising on effectiveness.