10 Best Countertop Water Filter of December 2025

• 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

• 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

iFilters

• 💧REVERSE OSMOSIS (RO) - Tested against NSF standards. Including four further filtration steps are used to remove over 99.9% of the containments found in tap water, such as lead, chlorine, fluoride, nitrates, calcium, arsenic, bacteria, viruses, microplastics, and others. Fill the removable 1.3-gallon feedwater tank with tap water, the system automatically purifies, sending clean water to the internal storage tank, ready to be instantly dispensed at the selected temperature.
• 💧4 TEMPERATURE SETTING WITH INSTANT HEAT - Room, Formula (milk powder), Coffee, or Tea. Single push-button to dispense a cup or glass of purified water. Auto standby mode when not in use. Features include maintenance and feedwater tank change indicators and water quality monitoring. Why wait for your Kettle to boil again when you have instant hot water available.
• 💧NO INSTALLATION REQUIRED - Plug into an electrical outlet, then fill the removable feedwater tank, you're now ready to dispense purified water at the selected temperature. Use in any room or location, perfect for rented properties, study dorms, or when you want to have the flexibility to relocate the system to different areas of the home or office.
• 💧A TRULY SMART SYSTEM - Water quality indicator and filter replacement alert allow you to directly monitor the water quality, and the lifespan of the filters. The pure water to drained water ratio can reach to 5:1 by the Recycling Multi-filtration Tech. Can purify 1.5L tap-water into pure water in few minutes. There is no more waiting for a pure drink.
• 💧SERVING USA SINCE 2006 - Seattle, WA USA 1-866-528-4572, SimPure dedicated in providing world class quality of water filtration solutions, and industry leading warranty and services. With 30 days no-hassle return, and 1-year satisfaction guarantee. (Please scroll down for replacement filter purchase options)

SimPure

• 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

• UNSURPASSED PERFORMANCE - Effectively removes 97% of Chlorine, Class I Particulates, bad taste and odor, VOCs (Volatile Organic Compounds), and radon.
• REFRESHING WATER DIRECT FROM YOUR TAP - Simple one-step installation of our stylish on tap water filter diverter valve.
• LONG LASTING 1,000 GALLON FILTER - Conveniently delivers up to 1000 gallons of healthy clean water with a filtration accuracy of 0.01~0.1um.
• GREAT FOR COOKING & COFFEE/TEA - Using filtered water for cooking or your coffee/tea has never been easier.
• SATISFACTION GUARANTEE - Every unit is backed by a complete 30-day money back guarantee. If you dont love how easy it is to use and the water it produces, return it for a full, no questions asked refund.

Lake Industries

• 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.
• PLEASE CONTACT US BEFORE LEAVING A NEGATIVE REVIEW OR STARTING A RETURN, WE WILL PROMPTLY ADDRESS ANY MISTAKES OR CONCERNS: Includes 30-day 100 % satisfaction money-back guarantee and limited one-year manufacturer's warranty against defects in materials and workmanship. Buy from a proud Made in the USA Company, APEX materials and components comply with NSF/ANSI Standard 42.

APEX EXPRT

• 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

• Countertop Water Filter: This 5-stage counter top water filtration system reduces chlorine and unpleasant odors that are often associated with unfiltered tap water. Attach to kitchen or bathroom faucets
• 30,000 Gallon Filter: This maintenance-free countertop water filter has a 30,000 gallon lifespan and does not require any filter changes. Fits standard faucets and is not compatible with pull-down or spray styles
• Diverter Valve: With a diverter valve that lets you easily switch between filtered and unfiltered water, this countertop water filter helps ensure that you have clean water on demand
• Reduce Chlorine and Particulates: This 5-stage counter top water filter helps effectively reduce particulates and chlorine so you can enjoy fresh, clean drinking and cooking water
• Amazon Basics: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family

AmazonBasics

• 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

• 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