The Best Water Purifier Reviews of March 2023: Rankings & Reviews by Experts

Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health. WQA certified to provide unlimited clean, refreshing crisp tasting water superior to bottled water

Premium long-lasting filters remove up to 99% of contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and 1000+ contaminants. Max Total Dissolved Solids - 2000 ppm. Feed Water Pressure 40-85 psi

America's No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water. 2 year extended manufacturer warranty is available upon registration

System comes with 100% lead-free designer faucet, plus certified JG food grade tubing and parts to provide safe, contamination-free pure water. Pipe Size: 1/4 inches.

High quality leak-free quick connect fittings require no extra lock clips to seal leak - not relying on water leak detector to protect your home like other brands. Comes with all parts and industry's best instructions and videos for an easy DIY experience.

Removes bacteria & parasites: The microfiltration membrane removes 99.999999% of waterborne bacteria (including E. coli and salmonella), and 99.999% of waterborne parasites (including giardia and cryptosporidium)

Removes microplastics: Removes the smallest microplastics found in the environment (down to 1 micron), and reduces turbidity down to 0.2 microns

Rigorous Testing: All claims are verified with laboratories using standard testing protocols set by the US EPA, NSF, ASTM for water purifiers

Long Lifetime: The microbiological filter will provide 4,000 liters (1,000 gallons) of clean and safe drinking water with proper use and maintenance

Make an Impact: For every LifeStraw product purchased, a school child in need receives safe drinking water for an entire school year.BPA Free materials

【Superior Water Filter Sink System】 HIJINSHAO NSF/ANSI Certified under sink water filter cartridge adopts activated carbon fiber (ACF), unique two-stage filtration technology. Filtration accuracy can reach 0.5um. The under counter water filter eliminates 99.99% of lead, chlorine, chromium 6, mercury, rust, carcinogens, turbidity,odors, ect, leaving in all essential minerals

【Fits Both 1/2" And 3/8" Cold Water Line】This kitchen sink water filter system comes with 3/8" directly connect hoses that fits standard 3/8" feed water valve. The bathroom sink filter also comes with 3/8" to 1/2" converter that allows the filter to directly connect to 1/2" or 3/8" cold water line and faucet

【High flow rate & Multiple Uses】Under the sink water filter system full flow rate ＞2.0Gpm @40 Psi. This water filtration system is suitable for use in kitchen, bathroom, RV, apartment or office.The under sink filter is ideal choice for drinking, cooking, brewing milk powder, and washing fruits & veggies

【Easy installation】The water filter system connect the filter system hoses to the cold water line and faucet directly, the entire installation process takes less than 3 minutes. Please refer to the installation video. The twist-and-lock design ensures that you can replace the filter cartridge in 3 minutes without any tools

【Ultra-Long Service Life & Money Saving】The under counter water filter's each filter has a maximum service life of 12 months. For better filtration, the under sink water purifier system suggest to replace filter cartridge after 6-8 months

2.25 GALLON CAPACITY- The portable Big Berkey Purification System effortlessly purifies water for about 1-4 people each day. Add additional Black Berkey Purification Elements (the Big Berkey System can hold a maximum of four) to increase the flow rate. The system is just 19.25” tall and 8.5” in diameter.

POWERFUL PURIFICATION- Berkey systems equipped with Black Berkey Purification Elements purify water—not just filter it—by addressing over 200+ contaminants in tap water or raw, untreated freshwater sources like ponds, rivers and streams.

ECONOMICAL, LONG-LASTING- A pair of Black Berkey Purification Elements lasts for up to 6,000 gallons before needing replacement. Each additional pair of elements (sold separately) adds an additional 6,000 gallons of purification power to your system. Black Berkey Purification Elements average just 2 cents per gallon of purified water.

INDEPENDENT TESTING- Berkey by NMCL uses several independent third-party labs to test a broad range of potential contaminants and conducts Extreme Testing for lead and PFCs in order to show the effectiveness of our Black Berkey Purification Elements.

DRINK CONFIDENTLY VIRTUALLY ANYWHERE- No electricity, tools or plumbing required. Travel the world, prepare for emergencies, and take control of your family’s everyday drinking water with your Berkey gravity-fed water filtration system with Black Berkey purification elements. Enjoy delicious, nourishing water from the leader in gravity-fed water solutions.

FAUCET WATER FILTER REPLACEMENTS - Enjoy refreshing, filtered water by replacing your PUR faucet mount water filter. The water filter is certified to reduce lead & other contaminants.Ƚ Fits in all PUR faucet water filtration systems, model number: RF-3375-2.

REDUCES 70 CONTAMINANTSȽ – PUR faucet mount water filter is certified to reduce lead and other contaminants that could be in your drinking water.Ƚ PUR faucet filters are certified to reduce 10X more contaminants than Brita's leading pitcher filter.*Ƚ 

EASY TO INSTALL – Twist back cover off your PUR faucet water filtration system. Insert new filter and replace the back cover. One PUR faucet filter replacement provides up to 100 gallons of cleaner drinking water, or lasts up to 3 months.

COMPATIBLE DOES NOT MEAN COMPARABLE – Genuine PUR faucet mount water filters are the only filters certified for use in PUR systems. For best performance, replace with a Genuine PUR Filter every three months.

 #1 SELLING BRAND IN FAUCET FILTRATION** – Contaminants can enter your water system daily, so filtering your water is important. PUR has been developing innovative technologies for superior water filtration for over 30 years.

Purifies up to 4 gallons per hour

Filter Life: Up to 3,000 gallons per filter element

Holding Capacity: 3.25 Gallons

High Grade 304 Stainless Steel

Make sure this fits by entering your refrigerator model number

everydrop Filter 1 is the only filter approved by: Whirlpool, Maytag, Amana, KitchenAid and JennAir brands

Certified to reduce 99% of lead, offering superior contaminant reduction for you and your family

Reduces 28 contaminants including lead, pesticides, pharmaceuticals, and waterborne parasites (NSF 401, 53 and 42 certified)

Offers clean, fresh tasting water

GLACIER FRESH 4204490 Filter Statement: The materials and construction are in compliance with the NSF42 standard. After our laboratory test, 4204490 refrigerator water filter removes 97.9% chlorine and improves water’s smell and taste. For more details about NSF information, please enter certified model number "GF-ZERO" or manufacturer "Ningbo Pureza Technology, LLC" on the NSF database.

Maintain all necessary micronutrients: After testing in our laboratory, the GF-ZERO Refrigerator Water Filter removed 97.9% of the chlorine and improved the smell and taste of the water.

4204490 Replacement Water Filter compatible with 4204490, 4290510, PRO 48, PRO 48 with glass door, BI-36F freezer, BI-36U up and down refrigerator/freezer, BI-48S side-by-side refrigerator/freezer, BI-48SD side-by-side Refrigerator/freezer, BI-36UG glass door refrigerator/freezer, BI-30U up and down refrigerator/freezer, BI-30UG glass door refrigerator/freezer, BI-42S side-by-side refrigerator/freezer, BI-42SD side-by-side refrigerator/freezer.

Twist-lock design, leak-proof fit: The water filter replacement 4204490 features a twisted design for quick and easy filter change. Leakproof fit, free of tools. (Note: Please contact us if you encounter any problems during installation)

Filter life: For optimum filtration, replace the 4204490 water filter cartridge every six months or 300 gallons (depending on your actual water usage) and periodically replace the 4204490 water filter for higher quality water and ice.

【Ultra-long service life】When used with municipal water, each filter has a maximum service life of 12 months or 8,000 gallons.[1]

【Innovative multistage filtration】The Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical iṁpurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!

【NSF certified filter】Specially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. KDF effectively keep filter sanitary. Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42&372 certification of this product, please search "EWF-8016S" on WQA official website.

【Easy installation】The system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 3/8" hose with a direct connection that adapts to standard 3/8" feed water valves under US sinks. The 3/8"–1/2" convertor fitting helps you connect the system to both 1/2" and 3/8" cold water lines and faucets.

【Fast flow rate & multiple uses】The fast and stable water supply provides pure water that tastes like spring water. The tested full flow rate is 0.75 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. With its exquisite design and small size, it is the best choice for a rented apartment. Ideal for drinking, cooking, skincare, and cleaning.

Brita’s Premium Filtering stainless steel bottle holds 20 ounce of water, and is designed with a Brita filter that fits in the straw that makes water taste great and keeps water cold for 24 hours

Get great tasting water without the waste; by switching to Brita, you can save money and replace 1,800 single-use plastic water bottles a year

This 20 ounce Brita water bottle is made from durable, double wall insulated stainless steel to keep water cold; this sleek, leak proof design is cup holder friendly; Height 10.5"; Diameter 3"; Weight 1 pound

The filter reduces chlorine (taste and odor) and more with every sip; compatible with Brita water bottle replacement filters

For the freshest-tasting water, the Brita water bottle filter should be replaced after 40 gallons or approximately every two months; 16.9 ounce water bottle