10 Best Drinking Water Filters of December 2025

• 【Multi-Layer Filtration】 Featured with innovative multi-stage filtration technology, Frizzlife SW10 under sink water filter system extrudes NSF 42&53 Certified filtration elements and combines sediment filter and coconut carbon block filter into a composite filter with 0.5 micron filtration accuracy. It can effectively reduce chlorine, lead, fluoride, heavy metals, VOCs, bad taste & odor and other harmful contaminants from water.
• 【3s Replacement & Ultra-Long Service Life】 Each filter cartridge is capable of delivering clean and safe drinking water for 12-16 months, the filter life is nearly 2X longer than most carbon water filters on market! Thanks to advanced Auto Shut-off design, the replacement work only requires a simple twist and can be finished in a snap even without cutting off the water supply. Search “Frizzlife PLC10” for replacement filter.
• 【3min Install & Sturdy Construction】 Compatible with standard US kitchen sink (Both 3/8” NPT and 1/2”). The system comes with a 3/8” inlet braided hose and should be directly connected to the existing faucet hose. The installation process is DIY friendly and takes only 3 minutes! Unlike other brands use cheap and fragile plastic fittings, Frizzlife SW10 water filtration utilizes durable lead-free brass fittings. No more cracking or leaking nightmare!
• 【Money Saving & Eco Choice】 Instead of throwing away the entire plastic housing, Frizzlife SW10 only requires to replace the inner core filter cartridge, thus remarkably cuts down the plastic wastes and lowers the future replacement costs. Besides, the system does not produce any waste water. Save your water bills and make the drinking water much more affordable. This is indeed a cost-effective water solution in the long run.
• 【Speedy Water Flow & Multi-Usage】 The flow rate from SW10 under counter water filter system can reach up to 2 gallons per minute @60psi. Fast and stable water flow ensures the system is well developed for both household and commercial use. The undersink water filtration can be installed in your kitchen, office, bathroom, RV and much more. With the help of IMC-2 ice maker kit (B07RBMLR26), it can simultaneously deliver purified water for your kitchen sink and refrigerator / ice maker.

FRIZZLIFE

• [Two-stage Advanced Water Filter With 0.5 Micron]: The Frizzlife MK99 Water Filtration System includes a TWO-STAGE High precise compound filter including a unique technology that reduces contaminants while leaving in all essential minerals. Certified to reduce Lead, Chlorine, Taste & Odor and Particulates. Additional reduction claims verified through manufacturer testing include Mercury, VOCs, Heavy Metals, Carcinogens and other contaminants, such as Turbidity. Enjoy healthy water from the tap.
• [Fits both 1/2" and 3/8" cold water line]: Super Easy Installation. Come with 3/8" Directly Connect hoses that fit standard 3/8" feed water valves under US kitchen sinks. The Inline water filter system also comes with a 3/8" to 1/2" converter fittings that allow the system to directly install to the existing both 1/2" and 3/8" cold water line and faucet under your sink. Took less than 3 minutes and No Plumbing Required! New installation video available.
• [Best Auto Shut Off Design]: Utilizing quick change twist-in installation design makes it take less than 3 minutes for you to install the system or doing a filter replacement. Provides quick twist connection for easy, tool-free, no mess filter replacement. The filter cap is designed with a BUILT-IN shut off valve. You don't even need to shut off the water supply whenever you work on the filter cartridge replacement.
• [High Flow Rate & Multi-Usage]: The MK99 under sink water filter is certified by IAPMO against NSF/AISI 42&53. Enjoy tap water as pure and healthy as spring fresh water. Good for cooking, washing fruits & veggies, and cleaning dishes without watermarks. No more bottled water!
• [Money Saving & Satisfaction]: The under counter water filter system contains a core filter cartridge inside the housing, you will only need to replace the core part of the filter cartridge instead of throwing away the whole plastic part, it will save you much money on replacing the cartridge and will do help on the environmental protection. Each cartridge with high capacity can be used for 2 years, for better filtration, suggest to replace after 6-8 month.

FRIZZLIFE

• 【Innovative multistage filtration】 The Waterdrop Under Sink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical iṁpurity, sediment and other large particles.[2] Use activated carbon block and other advanced filter media ensure efficient and safe filtration. Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!
• 【WQA certified filter】Made from premium BPA-free and lead-free materials, the under sink filter is certified by WQA against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside. Certified by WQA against NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, taste and odor. To look over the 42&372 certification, please search "WD-10UB" on WQA official website. The activated carbon is made from natural coconut shells. Please confirm whether you are allergic to it.
• 【Premium dedicated faucet】 The undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate drinking faucet you already have, WD-15UC system ( Search ASIN: B085G9T9TB ) would be a better choice.
• 【Easy installation】 This undersink water filtration system should be connected only to a cold water supply. With innovative push-to-connect fittings, installation takes less than 3 minutes. The twist-and-lock design helps you replace the filter in 3 seconds without any tools. The undersink water filtration system comes with a feed water adapter that can connect to the tubing. The 3/8’’–1/2’’ convertor fitting can connect this system to 1/2’’ or 3/8’’ cold water lines and faucets.
• 【Fast flow rate & multiple uses】 The tested full flow rate of this undersink water filtration system is 0.75 gpm at 60 psi. The fast and stable water supply provides pure and fresh water that tastes like spring water. Developed for household and commercial use, Waterdrop Undersink Water Filtration System can be installed in your kitchen, 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.

Waterdrop

• 20-Micron Hose Filter: Our GAC (Granular Activated Carbon) camper water filter reduces bad taste, odor, chlorine, and sediments greater than 20 microns; the KDF treatment prevents undesirable growth when the filter is not in use
• Secure Installation: This RV water filter system features a flexible hose protector that reduces strain on connections while minimizing kinking; the water hose filter easily lasts an average of 3 months
• Standard Fit: Water filter for RVs can be attached to any standard gardening or water hose to provide healthier drinking water and cleaner water overall; great for RVs, boats, campers, pets, gardening, and much more
• Low-Lead Certified: Our RV water filter conforms to all federal and state-level low-lead laws; CSA low lead content certified to NSF/ANSI 362
• Quality Products: Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help take your passion for the outdoors to the next level

Camco

• Filtered Water Pitcher: The 6 Cup 5-stage Water Filtration Pitcher suits your active lifestyle, with its space-saving design it is perfect fit for compact or small refrigerators
• Premium 5 Stage Filtration: Removes 99 percent of total dissolved solids (TDS) for the purest tasting water; TDS are organic and inorganic materials such as pesticides, metals including lead and mercury, minerals, salts, and ions.
• NSF certified and BPA free: The Only Pour Through Filter NSF Certified to Reduce Lead, Chromium and PFOA/PFOS; All material is BPA free
• Including: 6-cup Water Pitcher, 1 ZeroWater Ion Exchange Filter and a Free TDS Meter
• Eco-Friendly: Save up to 150 single-use plastic bottles per filter or up to 2100 bottles a year while enjoying the purest tasting water

ZeroWater

• LONGEST LASTING – 150 GALLONS – 4 TIMES MORE THAN OTHERS! The NAKII pitcher filter is created with high quality material that handle water contaminants on a higher level hardly comparable that's why it has a lifespan of 150 gallons 4 times more than Brita and any other brand in the market
• ADVANCED FILTRATION TECHNOLOGY- HIGHEST RATE CHLORINE AND MERCURY REMOVAL! The Nakii filter is the first in the USA to use the newest innovation for water filtration, using Activated Carbon Fiber (ACF) which isn't used in Brita filters or other brands, ACF features 98% of Chlorine, Mercury removal TO IMPROVE DRASTICALLY THE HEALTHINESS, Taste and odor, the highest rate in the market to reduce, lead, rust, sediment and suspended particles, eliminates unpleasant color and lime-scale.
• TESTED AND CERTIFIED BY THE WQA! The Nakii brand water filter pitchers are manufactured by Water Innovations USA. They are certified by the WQA for NSF/ANSI 42 and NSF/ANSI/CAN 372, for High-Quality Filtration, chlorine taste, odor reduction, and lead-free compliance. The filter has a Life Span of 150 gallons, and a Fast Flow Rate of 1.3 liters per minute. This will give the best and Clearly Filtered Water for you and your family
• SUPREME FAST FILTRATION - SPACE-SAVING DESIGN The ACF fast adsorption speed and Free flow design ensures extra fast and steady filtration, the Nakii filter is tested for its flow rate by the WQA to ensure high filtration performance even with its fast flow which takes it apart from the other leading brands in the market. Its sleek design makes it suitable to fit right in your refrigerator door
• HEALTHY AND CERTIFIED COMPONENTS USED IN THE PITCHER AND FILTER- By providing a filter for healthier water we pay a lot of attention to the healthiness of the material used in the product, that's why we only use BPA FREE and approved material which will meet the standard of the NSF-372 tested and approved by the Water Quality Association

Nakii

• This Everyday water pitcher is made without BPA, easy to fill, fits in most fridges and can hold 10 cups of water, enough to fill 3 24-ounce reusable water bottles; Packaging may vary
• This space efficient Brita pitcher is fridge friendly, features an easy-fill lid to make refills a breeze; Height 10.7"; Width 5.4"; Length/Depth 10.1"; Weight 1.3 pounds
• Get great tasting water without the waste
• By switching to Brita, you can save money and replace 1,800 16.9 fl oz single-use plastic water bottles a year
• Only Brita filters are certified to reduce Chlorine (taste and odor), Copper, Mercury and Cadmium* in Brita systems, while a sticker indicator makes filter reminders effortless
• Standard filters are compatible with all Brita pitchers and dispensers except Stream; replace the Brita Standard water filter every 2 months**

Brita

• The BPA-free Grand water pitcher with filter holds 10 cups of water, enough to fill 3 24-ounce reusable water bottles
• 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 space efficient Brita pitcher fits perfectly on refrigerator shelves, features an easy-fill locking lid and is easy to pour; Height 10.16"; Width 5.77"; Length/Depth 11"; Weight 2.48 pounds
• Brita is the water filter reducing chlorine (taste & odor), Mercury, Copper, Zinc and Cadmium; always get cleaner, filtered water with an electronic indicator that makes filter reminders effortless
• Compatible with Longlast and Standard water filters; for the freshest tasting water, replace your Longlast filter after 120 gallons or approximately every 6 months or Standard filter after 40 gallons or approximately every 2 months; 16.9 oz water;Based on IRI data;vs. tap

Brita

• 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.

APEC Water Systems

• Filtered Water Dispenser: The 20 Cup 5-stage Ready-Pour Water Filter Dispenser is perfect for home or office; Ready-Pour technology lets you dispense delicious water while reservoir is still filtering without lifting due to one-hand, push and pour spout
• Premium 5 Stage Filtration: Removes 99 percent of total dissolved solids (TDS) for the purest tasting water; TDS are organic and inorganic materials such as pesticides, metals including lead and mercury, minerals, salts, and ions.
• NSF certified and BPA free: The Only Pour Through Filter NSF Certified to Reduce Lead, Chromium and PFOA/PFOS; All material is BPA free
• Including: 20-cup Water Dispenser, 1 ZeroWater Ion Exchange Filter and a Free TDS Meter
• Eco-Friendly: Save up to 150 single-use plastic bottles per filter or up to 2100 bottles a year while enjoying the purest tasting water

ZeroWater