The Best Countertop Water Filters of 2023

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.

Multi-stage filtration system: This 5-stage filtration system can effectively reduce impurities commonly found in tap water, such as colloid, sediment and up to 99% chlorine. It can also reduce heavy metals, hydrogen sulfide, fluoride, providing safe, tasty and fresh drinking water.

All for your health: The filtration process adds minerals such as calcium, magnesium, and potassium that benefits your health, which is normal to get a higher TDS value. ⭐Note: This system DOES NOT lower TDS value. If you prefer low TDS value, please choose Waterdrop RO system.⭐The system is made from 304 food-grade stainless steel with sleek brushed appearance, fingerprint-free and BPA-free. Using only safe materials ensures you get clean and healthy drinking water.

Fast flow & long service life: When connected to municipal tap water, you can get up to 12 months service life or 8,000 gallons of filtered water. (This may vary based on water conditions). By using advanced filtration technology, the water flow can reach up to 1.6 gallons per minute.

Easy installation: It is simple to install this filter system, with all the necessary hardware (wrench and adapters) included. Also, it connects easily to most standard kitchen taps and faucets. By twisting the switch, tap water and filtered water can be switched in no time. Operating Temperature: 41-100°F (5-38°C); Operating Pressure: 15-100 psi / 100-689 kPa.

Multiple application scenarios: The user-friendly design makes installation and use seamless. You do not need to drill holes or invite a plumber. It is built for different usage scenarios, including homes, rental housing, or RVs.

The iFilters Water filter system produces continuous supply of fresh, crisp, healthy and wonderful-tasting water from the tap, removing major contaminants down to 0.5 microns

Installs to faucet within seconds with no tools

Portable for use in Studio Apartments, Campers and RVs

Filters and reduces: Sediment, Dirt, Rust Particles, Scale Particles, Cysts, Cryptosporidium, Entamoeba, Toxoplasma, Organic Chemicals, VOCs, Pesticides, Herbicides, Chlorine, Chlorine Taste & Odor

Filters down to 0.5 microns

【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.

The iFilters Water filter system produces continuous supply of fresh, crisp, healthy and wonderful-tasting water from the tap, removing major contaminants down to 0.5 microns

Installs to faucet within seconds with no tools

Portable for use in Studio Apartments, Campers and RVs

Filters and reduces: Sediment, Dirt, Rust Particles, Scale Particles, Cysts, Cryptosporidium, Entamoeba, Toxoplasma, Organic Chemicals, VOCs, Pesticides, Herbicides, Chlorine, Chlorine Taste & Odor

Filters down to 0.5 microns

REDUCES CONTAMINANTS IN TAP WATER: The APEX Clear Countertop Alkaline Drinking Water Filter System removes contaminants commonly found in tap water, like chlorine, sediment, and radon. It also filters Cryptosporidium, and Giardia cysts, which contribute to water-borne illnesses. APEX water filters remove mercury and harmful pesticides to give you delicious, sparkling, fresh clean drinking water.

CONNECTS TO STANDARD FAUCETS: APEX’s Clear countertop water filter system has been designed to conveniently sit right on your kitchen counter. It is simple to install, and connects easily to most standard kitchen faucets. All the necessary hardware is included for easy do-it-yourself installation. Simply remove the aerator screen from the faucet and screw on the collar of the APEX diverter valve.

COST-EFFECTIVE WATER FILTER: By using an APEX countertop 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 home to enjoy fresh clean drinking water. APEX water filters are the solution.

ENVIRONMENTALLY RESPONSIBLE: Owning your own bottleless kitchen water dispenser 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 filtered water source at home.

MADE IN THE USA: Proudly made in the USA, APEX makes all of their products according to the National Safety Foundation certified water filter safety standards and requirements. By following the strict guidelines of the NSF and the FDA, we ensure that the water your family drinks is completely safe and healthy. Let APEX clean and protect your drinking water so you don’t have to worry about it.

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. 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.

PURCHASE WITH CONFIDENCE: Strictly designed to be used with municipal water (not recommended for well water or water that is not pre-treated) Includes 30-day money-back and limited one-year manufacturer's warranty against defects in materials and workmanship.

Highly pure water - three-stage filter removes up to 93 percent of fluoride, chlorine, and other chemicals

Efficient, space-saving design - compact design takes up minimal space and easily fits on any sinktop

Simple and easy installation takes only minutes

Portable - compact unit travels well

💧【TOP FILTRATION PERFORMANCE】: Adopting 4-stages filters, especially the RO filter with the filtration precision at 0.0001 microns, the KFLOW reverse osmosis system could block 1000+ kinds of contaminants (99.99%) from water including chlorides, lead, chlorine, fluoride, heavy metals, mercury, chloramine, chromium, arsenic, radium. Making sure you could enjoy clean drinking water.

💧【Intelligent Monitor & Zero Installation 】: The filter life indicator could remind you of the filter's life and notify you when to replace the filters. Plug and use, compared to the traditional under-sink RO system, KFLOW reverse osmosis water filtration system free from the water source and space, you can put it on anywhere with a power supply. It's a perfect choice for the kitchen, bedroom, office, outdoor RV, etc.

💧【Economical and Multi-filtration Tech】: Compared to the conventional high-consumption under-sink filter system, KFLOW reverse osmosis filter adopts recycling multi-filtration tech, the left water after filtration is not hastily classified as wastewater but could be recycled for the next round filtration(it's recommended to circulate no more than 4 times). Saving all your costs on bottled water!

💧【CE Standard Certification】: KFLOW water filter system is made of food-grade material, and certified by European conformity, which meets the food safety standard and human body requirements. 3rd RO filter can be used for 2 years. 1st PPF filter, 2nd CTO & 4th CCF filters can be used for 1 year(this may vary depending on tap water quality).

💧【Special Note】: In the beginning, because of new filter cartridges activation, the TDS value of outlet water might be a little high, please flush the system 10-15 times and pour away the water. As every machine was tested before the package, there might be a little droplet in the tank. Search Cartridges: B0816TJ436, B0816T8K1H, B099PNDS4G, B0816TRX4T. Carafe Replacement: B084WY84T9.

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.

For each gallon of water produced the reverse osmosis system discharges between one and three gallons (depending on the pressure and quality of your incoming water). This water filter comes with a hygienic system faucet and includes tubing for setup up to about 3 feet from your faucet.

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. 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.

PURCHASE WITH CONFIDENCE: Strictly designed to be used with municipal water (not recommended for well water or water that is not pre-treated) Includes 30-day money-back and limited one-year manufacturer's warranty against defects in materials and workmanship.