10 Best Countertop Water Filter System of December 2025

• Zero Installation Purifier transforms ordinary tap water into clean, healthy and delicious drinking water. Choose AlcaPure Edition for Alkaline 7-8 pH or OnliPure Edition for ZERO TDS - purest tasting water.
• Modern, stylish, compact design will beautify any kitchen. Perfect for apartments, condos & RV’s. Since water is loaded and dispensed from the front of the unit, you can place it even in the tightest spaces imaginable. No additional top or side clearance is required.
• Easy to use: no assembly required, no installation, no leaky diverter valves or messy hoses.
• BPA Free. Removes up to 99% of all contaminants: Fluoride, Chlorine, Heavy Metals & others.
• 50% recovery rate highest among reverse osmosis filters. Uses less power than a lightbulb only 30 Wats.

RKIN

• No Replacement Filters! Saves Money! Easy to install and comes with instructions and pre-filter included!
• Granulated Activated Carbon - 97% Chlorine reduction, effectively filters sediment, volatile organic compounds (VOCs), taste and odor from water.
• Stylish diverter valve attaches right to most standard faucets, NO TOOLS NECESSARY!
• 10,000 Gallons of Fresh Water! No more lugging cases or bottles of water!

cleanwater4less

• Transform tap water into clean, healthy, alkaline mineral water. o-rings and the wing nut are attached to the stem of the ceramic filter
• 5 Functions Combined in 1 System: Filter, Purify, Mineralize, Alkalize and Magnetize
• Removes bacteria, contaminants, chlorine, impurities and other man-made chemicals and adds micro-nutrients and bio-energy properties. BPA-Free; No electricity or plumbing required; Easy assembly; Convenient, versatile & affordable
• Ceramic filter will last 1,000 gallons or 1 year; 5-Stage mineral filter will last 500 gallons or 6 months;The ceramic O ring is attached to the stem of the ceramic filter. The Magnetic nut is attached to the stem of the Magnetic Tap/Spout. Simply turn the ceramic filter upside down,the o-rings and the wing nut are attached to the stem to prevent the wing nut from scratching/damaging the surface of the ceramic
• The Countertop system comes complete with: Micro-Ceramic Filter, 5-Stage Mineral Cartridge Filter, Maifan Mineral Stones and Magnetized Spigot. The System can be used with or without the base. Not recommended for use with microbiologically unsafe water. o-rings and wing nut are attached onto the stem of the ceramic filter.

Zen Water Systems

• The Easiest to Install - Our easy quick four point set up means you’re up and running fast
• A Healthy Life Made Easy - How water SHOULD taste! Remove up to 99.99% of major contaminants
• Help Has Arrived - Support from experts who can answer any of your questions about your home’s water
• Fully Compatible - Fits most standard faucet types, includes adapters for the 3 most common faucets
• Simply Pure - Removes fluoride, lead, chlorine, chromium, calcium, nitrates, bacteria, viruses, more

Express Water

• Hooks up to most STANDARD FAUCET in minutes. Just plug and drink! Lightweight, installation-free system. It’s NOT compatible with pull-out faucets, special size designer faucets and sprayer faucets
• Top rated brand, high performance reverse osmosis drinking water systems
• Highest grade 4-Stage ultra-pure system provides refreshing crisp taste superior to bottled water
• 90 GPD portable system built with high capacity filters for reliable, long lasting performance, works for water pressure 40-80psi
• Perfect for apartments, condos, motor homes, retirement homes, seniors, students & travelers

APEC Water Systems

• 【Innovative five-stage filtration】Waterdrop Quick Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, this undersink water filtration system removes 99% of chlorine, heavy metals (including lead, mercury, and arsenic), and chemical contaminants such as fluoride. This undersink filtration system also filters out sediment and other large particles, thereby preventing scale buildup. Enjoy healthy and pure water straight from your tap!
• 【Premium dedicated faucet】The undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate faucet you already have, WD-15UC system ( Search ASIN: B085G9T9TB ) would be a better choice if you want to install it to the separate faucet you already have.
• 【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.
• 【Money-saving】The undersink water filtration system works without electricity and doesn’t produce waste water, thereby reducing the amount that you spend on electricity and water. On average, by spending only $10 per year (5 cents per day) for the undersink water filter replacement, you and your family can enjoy safe and clean water.
• 【Fast flow rate & multiple uses】The tested full flow rate of this undersink water filtration system is 2.0 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.

Waterdrop

• POWERFUL FILTRATION: three-stage patented Nanotrap technology delivers high quality filtration usually found only in more complex under-counter systems
• CONVENIENT FAUCET ATTACHMENT: easily attaches to your faucet without compromising power of filtration, fits most faucets with provided adapters
• INSPIRED DESIGN: elegant and slim profile countertop design with ergonomic push-button control for dispensing water
• INDEPENDENT LAB TESTED and CERTIFIED: by WQA (Water Quality Association) for NSF/ANSI Standards 42, 53, and 372
• EASY INSTALLATION: can be installed in under 10 minutes, filter replacement is quick and simple;Do not use with water that is microbiologically unsafe or unknown quality without adequate disinfection before or after the system
• CONTINUOUS FILTERED WATER: water dispensed continuously at the push of a button without wastewater like complex RO systems

Brondell

• 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. Highly effective on volatile organic compounds (VOCs) like pesticides, herbicides, and industrial chemicals. 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

iSpring

• BEST-IN-CLASS REMOVING CAPACITY & PREMIUM QUALITY: Frizzlife RO water filter system removes up to 99.99% of over 1,000 contaminants, including LEAD, CHLORINE, FLUORIDE, Heavy Metals, mercury, chloramine, chromium, arsenic, radium, asbestos and much more. 0.0001um filtration accuracy Reverse Osmosis membrane guarantees the premium quality. Enjoy ultra-pure drinking water every time you press the button.
• ECONOMIC & ENVIRONMENT-FRIENDLY: Backed by advanced drain water recycle technology, pure water to drain water ratio can reach to 5:1, it saves water waste up to 1500% compare to conventional RO systems, Promises almost every drop of ultra-pure drinking water is going to your glass. Low filter replacement costs mean each 330ml cup of RO water is much cheaper than bottled water in the same volume!
• PORTABILITY & STYLISH DESIGN: Place and move Frizzlife countertop drinking water purifier to anywhere in need with power supply available, including office, kitchen, bedroom and more. The tankless, compact, modern and stylish design can nicely fit and match your décor and delight your countertop! You can press the button to select cup size of 150ml, 250ml, 330ml or continuous.
• INSTALLATION FREE & EASY-TO-CHANGE FILTERS: The fully-assembled Frizzlife RO water filter requires ZERO installation, all you need is to plug it in. The twist-in filter system makes the filter replacement a breeze and NO TOOLS required. The hassle-free and tool-free installation and replacement save your time and energy of choosing a DIY water filter with messy hoses leaving you a headache task.
• FORGET THE GUESSWORK: the built-in smart screen plays a role as a reliable and intelligent indicator. It clearly tells the real-time in and out TDS, as well as the remaining lifespan of each filter cartridge. The red ‘change water’ warning light will automatically turn on when it is time to refill your filling tank. Your worry-free life is our concern.

FRIZZLIFE

• 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.

Apex