Are you looking for the best NSF certified water filters? From my experience, using these filters not only improved the taste of my tap water but also gave me peace of mind knowing it’s safe to drink every day.
NSF certified filters make water safe. They remove bad stuff from tap water. Your water tastes better and cleaner.
These filters help you save money. You use fewer plastic bottles. Good for you and good for the world.
We tested many filters. We found the best ones for you. Read our guide to find your perfect filter.
I used to worry about my tap water. After getting an NSF certified filter, the water tasted great. Now I feel safe drinking it every day.
List of Top 10 NSF Certified Water Filters
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
Brita Filter Replacements for Water Pitchers and Dispensers, Elite, NSF Certified to Remove 99% of Lead, 2 Count, Blue |
This Brita Elite filter is perfect for busy families who want clean water without frequent changes. It’s also ideal for eco-friendly homes looking to reduce plastic waste while saving money. |
|
![]() |
Waterdrop Water Filter Pitcher with 1 Filter, 200-Gallon Long-Life, 10-Cup Large Water Filter Pitcher, NSF Certified, 5X Times Lifetime, Reduces PFOA/PFOS, Chlorine, White |
This Waterdrop Water Filter Pitcher is perfect for anyone who wants clean, fresh water easily. It’s great for people living in apartments or homes who need a compact, efficient way to filter water. If you want less chlorine, metals, and bad taste in your drinking water, this pitcher is for you. |
|
![]() |
ZeroWater Official 5-Stage Water Filter for Replacement, NSF Certified to Reduce Lead, Other Heavy Metals and PFOA/PFOS, 6-Pack |
This product is perfect for anyone who wants clean, pure water every day. It’s great for families and individuals who care about reducing harmful metals and saving plastic waste. If you want to drink water that tastes fresh and healthy, this filter is made for you. |
|
![]() |
ICEPURE Under Sink Water Filter System, 3 Years or 22000 Gallons Ultra High Life NSF/ANSI 42 Certified, Removes Heavy Metals,Chlorine,Direct Connect Under Counter Drinking Water System, USA Tech |
The ICEPURE Under Sink Water Filter System is perfect for anyone who wants clean, great-tasting water right from their tap. It is ideal for families, apartment dwellers, RV owners, and office workers who need safe drinking water without fuss. If you want a simple, fast install and a filter that lasts up to 3 years, this system fits the bill! |
|
![]() |
Waterdrop Water Filter Pitcher, 200-Gallon Long-Life, Countertop NSF Certified Water Purifier, Replaces 6,400 Plastic Water Bottles a Year, Reduces Chlorine, PFOA/PFOS, 7-Cup, Blue |
This water filter pitcher is perfect for families who want clean water without spending much. It’s also great for those who want to help the Earth by using less plastic. |
|
![]() |
WINGSOL WINGSOL Stainless Steel Water Filter for Sink Faucet, NSF/ANSI 42 & 53, 360° Rotating Tap Purifier Reduces PFAS, Lead, Chlorine & Microplastics, 350 Gallons Long-Lasting for Kitchen & Bathroom |
This water filter is perfect for families who want clean, safe drinking water straight from their kitchen or bathroom faucet. It’s ideal for health-conscious people who worry about PFAS, lead, and chlorine in their tap water but don’t want the hassle of buying bottled water. Pet owners will love having pure water for their animals, and RV travelers can enjoy filtered water anywhere they go. |
|
![]() |
iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation |
The iSpring RCC7AK is perfect for health-conscious families and individuals who want clean, great-tasting water right at home. If you care about what you drink and want easy, hassle-free installation, this system is for you! |
|
![]() |
Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter – 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier |
The Bluevua RO100ROPOT-UV is perfect for anyone who wants clean, healthy water without the hassle of installation. It fits great on any kitchen countertop and is ideal for people who care about saving water and using less plastic. This system is also great for those who want to monitor water quality easily and enjoy pure, fresh-tasting water every day. |
|
![]() |
Waterdrop 10UA Under Sink Water Filter System, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, Under Counter Water Filter Direct Connect to Kitchen Faucet, NSF/ANSI 42 Certified, 8K Gallons |
The Waterdrop 10UA Under Sink Water Filter System is perfect for anyone who values clean water at home. It’s ideal for families, busy professionals, and even small businesses looking for a reliable and affordable solution to filter harmful contaminants. Enjoy fresh-tasting water without the hassle! |
|
![]() |
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required) |
The SimPure Y7P-BW is perfect for anyone who wants clean and safe drinking water without the hassle of installation. It’s ideal for busy families, students, office workers, and outdoor enthusiasts who enjoy easy access to purified water anywhere they go. |
Detailed Reviews
Find the best NSF certified water filters here. Each product is picked with care to give you the top features and value. Read on to discover the perfect filter for your clean, safe water needs.
1. Brita Filter Replacements for Water Pitchers and Dispensers, Elite, NSF Certified to Remove 99% of Lead, 2 Count, Blue

Enjoy cleaner, great-tasting water with Brita Elite Filter Replacements. They help you reduce waste by replacing up to 1,800 single-use plastic bottles a year.
These filters cut down on 99% of lead and other bad stuff like chlorine and mercury. They last 3 times longer than regular filters. They fit most Brita pitchers and dispensers easily.
Made in a fresh blue color without BPA, the Elite filters are simple to use. Just press to seal and pull the top cap to remove. Get fresh water fast and easy every day.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Brita Elite filter is perfect for busy families who want clean water without frequent changes. It’s also ideal for eco-friendly homes looking to reduce plastic waste while saving money.
Ready to Purchase?
2. Waterdrop Water Filter Pitcher with 1 Filter, 200-Gallon Long-Life, 10-Cup Large Water Filter Pitcher, NSF Certified, 5X Times Lifetime, Reduces PFOA/PFOS, Chlorine, White

The Waterdrop Water Filter Pitcher holds 10 cups of clean water. It has NSF certification for safe drinking water. The hands-free lid opens by itself when you pour.
This pitcher reduces harmful chemicals like PFOA and chlorine from your tap water. Each filter lasts 200 gallons or about 3 months of use.
The smart LED indicator shows when to change the filter. It fits most fridges and measures 10 inches by 5 inches by 10.1 inches.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Waterdrop Water Filter Pitcher is perfect for anyone who wants clean, fresh water easily. It’s great for people living in apartments or homes who need a compact, efficient way to filter water. If you want less chlorine, metals, and bad taste in your drinking water, this pitcher is for you.
Ready to Purchase?
3. ZeroWater Official 5-Stage Water Filter for Replacement, NSF Certified to Reduce Lead, Other Heavy Metals and PFOA/PFOS, 6-Pack

Transform your tap water with the ZeroWater Official 5-Stage Water Filter Replacement Pack. Each filter lasts an estimated 15 gallons—that’s a 6-month supply with this 6-pack! Enjoy pure, great-tasting water free from lead and heavy metals.
This advanced filtration system removes virtually all dissolved solids, ensuring you stay hydrated without the hassle of single-use bottles. Go green by saving up to 660 plastic bottles a year with your ZeroWater Filter System.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for anyone who wants clean, pure water every day. It’s great for families and individuals who care about reducing harmful metals and saving plastic waste. If you want to drink water that tastes fresh and healthy, this filter is made for you.
Ready to Purchase?
4. ICEPURE Under Sink Water Filter System, 3 Years or 22000 Gallons Ultra High Life NSF/ANSI 42 Certified, Removes Heavy Metals,Chlorine,Direct Connect Under Counter Drinking Water System, USA Tech

The ICEPURE Under Sink Water Filter System delivers clean, tasty water straight from your tap. It is NSF/ANSI certified to remove heavy metals and chlorine, ensuring you drink only the best.
Installation is a breeze—taking less than 3 minutes! Enjoy 22000 gallons of purified water that keeps essential minerals. Perfect for drinking, cooking, and more!
| Pros | Cons |
|---|---|
|
|
Perfect For:
The ICEPURE Under Sink Water Filter System is perfect for anyone who wants clean, great-tasting water right from their tap. It is ideal for families, apartment dwellers, RV owners, and office workers who need safe drinking water without fuss. If you want a simple, fast install and a filter that lasts up to 3 years, this system fits the bill!
Ready to Purchase?
5. Waterdrop Water Filter Pitcher, 200-Gallon Long-Life, Countertop NSF Certified Water Purifier, Replaces 6,400 Plastic Water Bottles a Year, Reduces Chlorine, PFOA/PFOS, 7-Cup, Blue

Discover the Waterdrop Water Filter Pitcher, designed for outstanding performance without breaking the bank. This countertop water purifier lasts up to 200 gallons or about three months, making it a budget-friendly choice for great-tasting water.
Crafted from BPA-free plastic, this pitcher features a mechanical life recorder that helps you track when to replace your filter. It uses high-quality activated carbon to reduce chlorine, PFOA, and other contaminants, delivering pure and refreshing water every time.
Enjoy clean water with every sip. Save on plastic bottles. Choose style and purity with Waterdrop.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter pitcher is perfect for families who want clean water without spending much. It’s also great for those who want to help the Earth by using less plastic.
Ready to Purchase?
6. WINGSOL WINGSOL Stainless Steel Water Filter for Sink Faucet, NSF/ANSI 42 & 53, 360° Rotating Tap Purifier Reduces PFAS, Lead, Chlorine & Microplastics, 350 Gallons Long-Lasting for Kitchen & Bathroom

The WINGSOL Stainless Steel Water Filter fits right on your sink faucet. It gives you clean, fresh water anytime you need.
This filter removes PFAS, lead, chlorine, and microplastics while keeping the good minerals in your water. Made from durable 304 stainless steel, it won’t rust or leak. It lasts for up to 350 gallons or about 3 months.
Installation is quick and easy with multiple adapter sizes included. The filter spins 360° so you can fill any container easily. It works great in your kitchen, bathroom, or even your RV.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter is perfect for families who want clean, safe drinking water straight from their kitchen or bathroom faucet. It’s ideal for health-conscious people who worry about PFAS, lead, and chlorine in their tap water but don’t want the hassle of buying bottled water. Pet owners will love having pure water for their animals, and RV travelers can enjoy filtered water anywhere they go.
Ready to Purchase?
7. iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation

The iSpring RCC7AK is a 6‑stage reverse osmosis system that puts clean water under your sink. It adds healthy minerals back for a balanced pH.
The top‑mounted faucet installs quickly with no tools under the sink. The clear first‑stage filter lets you see when it needs changing. NSF‑58 certification guarantees safe, reliable filtration.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The iSpring RCC7AK is perfect for health-conscious families and individuals who want clean, great-tasting water right at home. If you care about what you drink and want easy, hassle-free installation, this system is for you!
Ready to Purchase?
8. Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter – 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier

The Bluevua RO100ROPOT-UV gives you 6‑stage filtration with UV light and remineralization. It works on the countertop with a glass carafe, so no plumbing is needed. It removes lead, chlorine, fluoride, and other contaminants.
The unit saves power and water with automatic standby mode and a 2:1 pure‑to‑drain ratio. It shows filter life on a display and comes with a 1‑year limited warranty.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Bluevua RO100ROPOT-UV is perfect for anyone who wants clean, healthy water without the hassle of installation. It fits great on any kitchen countertop and is ideal for people who care about saving water and using less plastic. This system is also great for those who want to monitor water quality easily and enjoy pure, fresh-tasting water every day.
Ready to Purchase?
9. Waterdrop 10UA Under Sink Water Filter System, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, Under Counter Water Filter Direct Connect to Kitchen Faucet, NSF/ANSI 42 Certified, 8K Gallons

The Waterdrop 10UA Under Sink Water Filter System makes clean water easy. It reduces harmful substances like PFAS, lead, and chlorine, ensuring better drinking water for you and your family.
With a deep filtration design, this system efficiently removes contaminants without compromising on essential minerals. Its quick and easy installation can be done in just three minutes, making it perfect for any household.
Enjoy fresh, great-tasting water with each sip. This system lasts up to 12 months or 8,000 gallons. Say goodbye to bad taste and odor today!
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Waterdrop 10UA Under Sink Water Filter System is perfect for anyone who values clean water at home. It’s ideal for families, busy professionals, and even small businesses looking for a reliable and affordable solution to filter harmful contaminants. Enjoy fresh-tasting water without the hassle!
Ready to Purchase?
10. SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)

The SimPure Y7P is a countertop water filter that needs no installation. It uses 5-stage filtration with UV light to remove 99.99% of contaminants from your tap water.
This system works 4 times better than most RO filters at saving water. It makes 418 gallons per day and gives you clean water in just 15 seconds.
The filter is 16.1 inches tall when closed. It works great in homes, offices, and RVs. You just plug it in and start using it right away.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The SimPure Y7P-BW is perfect for anyone who wants clean and safe drinking water without the hassle of installation. It’s ideal for busy families, students, office workers, and outdoor enthusiasts who enjoy easy access to purified water anywhere they go.
Ready to Purchase?
Buying Guide
Clean water feels good. It protects health. It saves money.
I tried a filter on my kitchen tap. The water tasted bright instantly. I felt safe drinking every glass.
-
Certification: Look for NSF or ANSI certification. It proves the filter meets strict safety tests. It protects you from false claims.
-
Filtration type: Choose carbon, reverse osmosis, or dual‑stage filters. Each type removes different pollutants. Pick the one that matches your water concerns.
-
Capacity: Check how many gallons the filter handles. A higher capacity means fewer changes. It fits your daily water use.
-
Filter life: Find the lifespan in months or gallons. Longer life saves time and money. Replace only when needed.
-
Compatibility: Make sure the filter fits your pitcher, dispenser, or under‑sink system. It should snap in easily. No extra adapters required.
-
Installation: Look for tool‑free or quick‑connect designs. Simple steps let you start fast. No plumber needed.
-
Cost: Compare the price of the filter and replacement cartridges. Low upfront cost may hide higher running costs. Choose the best overall value.
-
Maintenance: Choose filters with clear indicators or LED alerts. Easy to see when a change is due. Keeps water pure without guessing.
-
Taste improvement: Good filters reduce chlorine, metal, and odor. You will notice smoother, fresher water. Taste matters for daily drinking.
-
Target contaminants: Check if the filter removes lead, PFAS, micro‑plastics, or hardness. Match the filter to your local water report. Safety first.
-
Material safety: Pick BPA‑free and food‑grade plastics. It avoids chemicals leaching into water. Safe materials protect health.
-
Flow rate: Faster flow means less waiting. Aim for a steady stream that fills a pitcher quickly. Slow flow can be frustrating.
-
Environmental impact: Choose filters that replace many plastic bottles. Longer‑lasting cartridges reduce waste. Green choices help the planet.
-
Warranty and support: Look for at least one‑year warranty. Good support helps if a part fails. Trustworthy brands stand behind their products.