10 Best Countertop Water Filters 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

iSpring CKC1C Countertop Drinking Water Filtration System with Carbon Filter – ⭐ Best Overall Countertop Water Filter

CKC1C by iSpring

  • Color: Clear
  • Weight: 4 pounds
  • Dimensions: 5 x 5 x 12 inches
  • Warranty: 1 year limited warranty
iSpring CKC1C Countertop Drinking Water Filtration System with Carbon Filter
  • CLEAR HOUSING - See-through housing allows you to visually inspect the filter and know when it's time for a filter change.
  • ULTRA SAFE - Includes a standard 5 micron Carbon Block Cartridge that removes 95% of chlorine, odors, sand, silt, sediment and rust from your drinking water. Tested by independent third-party to meet NSF/ANSI Standards.
  • EASY INSTALLATION - No drilling required. Portable and easy to install. Sleek and efficient design offers a natural look on any counter. Perfect for small spaces.
  • COMPLETE FILTRATION - A standard 10 inch CTO cartridge, a plastic wrench, two faucet adapters, tubing and O-ring included for a leak-free install.
  • TOP-NOTCH SUPPORT - 30 day money back guarantee, 1 year limited warranty and lifetime technical support from Atlanta, Georgia.
  • LOW MAINTENANCE - It is recommended to replace the filters (FC15) every 6 months.
  • PLEASE NOTE - Unlike an RO membrane, this countertop water filtration system DOES NOT reduce Total Dissolved Solids (TDS). Instead this filter keeps healthy minerals in your water while removing harmful chemicals. If you are interested in a filter that removes TDS, please consider our iSpring tankless under sink Reverse Osmosis (RO) system RO500 or countertop RO water filter system RCT600.

Big Berkey Gravity-Fed Water Filter with 2 Black Berkey Purification – 👑 Premium Pick

BK4X2-BB by Berkey

  • Color: Big Berkey
  • Weight: 6.83 pounds
  • Dimensions: 8.5 x 8.5 x 19.3 inches
  • Warranty: New Millennium Concepts, Ltd. (makers of the Berkey Systems) Warrants this product to be free from defects in materials and workmanship for a period of 6 months from date of purchase. Black Berkey purification elements have a two-year prorated warranty ca
Big Berkey Gravity-Fed Water Filter with 2 Black Berkey Purification
  • 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 removing greater than 99.999% of viruses and greater than 99.9999% of pathogenic bacteria, while also removing or dramatically reducing protozoa (such as giardia and cryptosporidium), trihalomethanes, inorganic minerals, heavy metals (including arsenic, lead, mercury, chromium), pharmaceutical drugs (including caffeine, Acetaminophen, Ibuprofen, Progesterone, Triclosan),
  • 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.

Waterdrop WD-CTF-01 Countertop Filtration System – 💲 Best Budget Countertop Water Filter

WD-CTF-01 by Waterdrop

  • Color: Stainless Steel
Waterdrop WD-CTF-01 Countertop Filtration System
  • Multi-stage Filtration System: 5-stage filtration system can effectively reduce impurities commonly found in tap water such as colloid, sediment and chlorine. It can also reduce scale, heavy metals, hydrogen sulfide, fluoride and arsenic, delivering you safe, tasty and fresh drinking water.
  • Infusion of Beneficial Minerals: Adding minerals such as calcium, magnesium and potassium that benefits your health. (Please Note: This system DOES NOT lower TDS value due to the benefit minerals added in water. If you want to decrease the TDS value, please choose Waterdrop RO system.)
  • Fast Flow & Long Service Life: When connected to municipal tap water, the service life can be up to 12 months or 8,000 gallons. (This may vary based on water conditions). By using advanced filtration technology, the water flow can reach up to 1.6 gallons per minute.
  • Premium Material: The system is made from 304 Food-grade stainless steel with sleek brushed appearance, fingerprint-free and BPA-free.
  • Easy Installation: With all the necessary hardware (wrench and adaptors) included, it is simple to install and connects easily to most standard kitchen tap faucets. By twisting the switch, tap water and filtered water can be switched in no time.

APEX Quality Countertop Drinking Water Filter

MR-1050 by APEX LEGENDS

  • Color: Clear
  • Weight: 5 pounds
  • Dimensions: 10 x 4.5 x 4.5 inches
APEX Quality Countertop Drinking Water Filter
  • REDUCES HARMFUL CONTAMINANTS IN TAP WATER: Removes 99% of substances commonly found in sink tap water like chlorine which contribute to bad odors in your water, chloramine, benzene, radon, and heavy metals. It also helps prevent the buildup microorganisms. This filter will also add Magnesium, Potassium and Calcium raising the alkalinity of your water. NOTE: ALKALINE WATER WILL RAISES TDS LEVELS DUE TO THE MINERALS ADDED IN WATER.
  • CONNECTS TO DOMESTIC FAUCET MODELS: APEX countertop filters have been designed to conveniently sit right on the kitchen counter top next to sinks. It is simple to install, and connects easily to most standard household kitchen faucets. All the necessary hardware is included for easy do-it-yourself installation. NOTE: PLEASE MAKE SURE ONE OF THE ADAPTERS WILL FIT YOUR FAUCET OR ELSE THE UNIT WILL BE NON-FUNCTIONAL.
  • COST-EFFECTIVE WATER FILTER: By using an APEX counter top alkaline water filter, you can stop wasting money on small disposable bottles of water that just get thrown away when empty. Buying bottled water for daily home consumption gets expensive and tedious. You don’t have to lug heavy water jugs or cases to your house to enjoy fresh clean drinking water. APEX water filters are the solution.
  • ENVIRONMENTALLY RESPONSIBLE: Owning a good bottleless water dispenser device can not only save you money, but it is the responsible choice for helping to eliminate the millions of plastic water bottles piling up in landfills each year. We only have one world, but it is quickly being polluted by unnecessary water bottles that can be reduced by having your own cleaner filtered smart water source at home.

Travel Berkey Gravity-Fed Water Filter with 2 Black Berkey Purification

BT2X2-BB by Berkey

  • Color: Stainless Steel
  • Weight: 4 pounds
  • Dimensions: 7.5 x 7.5 x 18 inches
  • Warranty: New Millennium Concepts, Ltd. (makers of the Berkey Systems) Warrants this product to be free from defects in materials and workmanship for a period of 6 months from date of purchase. Black Berkey purification elements have a two-year prorated warranty ca
Travel Berkey Gravity-Fed Water Filter with 2 Black Berkey Purification
  • 1.5 GALLON CAPACITY- The portable Travel Berkey Purification System effortlessly purifies water for about 1-3 people each day. The system is just 18” tall and 7.5” in diameter.
  • POWERFUL PURIFICATION- Berkey systems equipped with Black Berkey Purification Elements purify water—not just filter it—by removing greater than 99.999% of viruses and greater than 99.9999% of pathogenic bacteria, while also removing or dramatically reducing protozoa (such as giardia and cryptosporidium), trihalomethanes, inorganic minerals, heavy metals (including arsenic, lead, mercury, chromium), pharmaceutical drugs (including caffeine, Acetaminophen, Ibuprofen, Progesterone, Triclosan),
  • ECONOMICAL, LONG-LASTING- A pair of Black Berkey Purification Elements lasts for up to 6,000 gallons before needing replacement. 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.

Express Water EZRO5 Countertop Reverse Osmosis Filtration System Simple Set

EZRO5 by Express Water

  • Color: White
  • Dimensions: 13.3 x 6.5 x 14 inches
Express Water EZRO5 Countertop Reverse Osmosis Filtration System Simple Set
  • Countertop RO Water Filter System: Enjoy fresh and clean drinking water from the easy install Express Water countertop water filters.
  • Easy to Install Countertop Filter: Express Water’s countertop reverse osmosis systems only requires minutes to install and is designed for an easy 4-point installation that fits most standard faucet types.
  • Low Maintenance Water Filter: Once set-up, the reverse osmosis countertop filter requires little maintenance. Quick-connect and replaceable water filter cartridges make it easy to keep your water fresh.
  • 4 Stage Water Filters: Express Water 4 Stage Countertop Water Filter Systems include Sediment filter, Granular Carbon filter, Reverser Osmosis Membrane, and Post Activated Carbon filter to remove 99.99% of major contaminants in your drinking water.
  • On Demand Support: Support from top rated customer service team who can answer any of your questions about your Express Water countertop filtration system. Backed by 1-Year limited warranty.

Avalon B8BLK Touchless Countertop Bottleless Water Cooler Water Dispenser

B8BLK by Avalon

  • Weight: 30 pounds
  • Dimensions: 13 x 12 x 19 inches
  • Warranty: 4 year
Avalon B8BLK Touchless Countertop Bottleless Water Cooler Water Dispenser
  • INSTALLATION KIT: Full installation kit consisting of 20' of 1/4" tubing, 3 way plastic 1/4" push connect adapter, under sink 3/8" adapter with shut off valve, filter flushing adapter, and detailed instructions with illustrations
  • DUAL FILTRATION: Dual filters are included with the water cooler. This consists of a Sediment filter and a Carbon Block filter which will last 6 months or 1500 gallons
  • HOT & COLD WATER SPOUTS: When you use our water cooler dispenser you can choose between a Crisp Cold & Piping Hot Output, making it ideal for cool refreshments or toasty beverages
  • BOTTLELESS: Our water cooler is bottle less and will reduce the cost of constant purchases of water. The water is filtered with our dual filtration system consisting of a sediment filter and a carbon block filter
  • CHILD SAFE: Our water cooler dispenser is UL/Energy Star Approved and features a child safety lock on the hot water spout so the entire family can use it worry free! Your children will not accidentally burn themselves!

Aquasana AQ-4000W Countertop Drinking Water Filter System

AQ-4000W by Aquasana

  • Color: White
  • Weight: 3 pounds
  • Dimensions: 12 x 7 x 4 inches
Aquasana AQ-4000W Countertop Drinking Water Filter System
  • Removes over 97% of chlorine and reduces 76 other contaminants - NSF certified to remove lead, pharmaceuticals and more
  • No waste water or harmful contaminants added to your drinking water during the filtration process
  • Retains the healthy minerals like calcium, potassium, and magnesium for the healthiest water
  • Only 11 cents per gallon - 11 times the capacity of the leading gravity-based filter pitcher
  • Easily attaches - no permanent fixtures or installation required. Filtered water right from your tap
  • No plumber required - replacements are a simple twist

Waterdrop 10UA Under Sink Water Filter System

WD-10UA by Waterdrop

  • Color: Black
  • Dimensions: 3.6 x 3.6 x 12.3 inches
Waterdrop 10UA Under Sink Water Filter System
  • 【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 pollutants, 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. Activated carbon block and other advanced filter media ensure efficient and safe filtration. 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.
  • 【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 and fresh 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. Ideal for drinking, cooking, skincare, and cleaning.

Cuckoo Tankless Countertop Water Dispenser with Carbon

CP-MN031W by Cuckoo

  • Color: White
  • Weight: 7.5 pounds
  • Dimensions: 14.9 x 5.3 x 14.5 inches
  • Warranty: 1 year limited
Cuckoo Tankless Countertop Water Dispenser with Carbon
  • Powerful filtration W/ mineral infusion - Cuckoo three filter Carbon + Nano + mineralizer technology not only removes harmful bacteria – viruses – odor – Lead - giardia cysts – germs – algae – fungi – organic substances – chlorine – THM – VOCs – heavy metals and other contaminants but adds in essential minerals.
  • Direct flow mineral infusion: cuckoo’s direct flow technology (no storage tank) ensures you are always drinking clean water. The mineralizer filter provides an all-natural mineral boost creating a mild alkaline water full of nutrients essential to life. Cuckoo’s mild alkaline water promotes a balanced pH with a mineral boost of: calcium, Magnesium and potassium.
  • Filter replacement alarm with easy filter change: cuckoo’s filter replacement System informs you when each filter needs to be changed and specifies the exact filter to change. Cuckoo worked hard to develop the simplest filter change on the market – no twisting, turning, hassle or leaks.
  • Elegant and compact design with touch control panel: cuckoo’s sleek, compact and slim design is cetlus certified and perfect for all living spaces. Designed to fit under any set of cabinets at only 14. 6" And 5. 25” wide you will barely notice the space This takes up.
  • with simple DIY installation. Two types of install: 1) kitchen faucet - smart sink adapter (kit includes 3 fitting sizes) easily Fits the majority of kitchen faucets 2) under counter - simple connect T-Valve Adapter. Estimated 15 minutes to install and you never have to fill a water pitcher or buy plastic bottles again! #Go Green #earth day #do your part.
  • Item Shape: Rectangle
  • Included Components: Filter Change Guide

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