10 Best Countertop Water Filtration System of December 2025

• Reverse Osmosis Beats Contaminants - Tested against NSF standards. Converts your tap water/well water into pure and healthy drinking water by removing 99.99% of the 1,000+ pollutants & harmful substance including fluoride, Chlorine, dissolved inorganics, chemicals, Bacteria, heavy metals, Cysts, Viruses, Lead, Chromium and etc. Say goodbye to rust colored, cloudy, foul smelling municipal water and eliminate the need for bottled water in your own home.
• UV PURIFICATION SYSTEM - UV is one of only 4 methods approved for disinfection by the FDA. SimPure UV purification system combined with 3 stages RO Filtration System, can take water purification to another level and are a safe solution to remove harmful microorganisms from your water. Also, PPC Filter contains high-precision activated carbon granules made from natural coconut shell, which will provide you with refreshing and great-tasting water.
• NO INSTALLATION REQUIRED - Plug-in and you'll have purified water right away. Compared to traditional Under-Sink Filtration, SimPure Y6 installation free and no plumbing required. Free from water source and space constraints, you can place and move SimPure water purifier to anywhere with power supply available, perfect for kitchen, bedroom, office, lobby, Outdoor RV etc...
• HIGH EFFICIENCY IN WATER PURIFYING - 5:1 drain ratio by the Recycling Multi Filtration Technology, can save your water up to 1500% compared with other brands. Just fill the removable 1.3-gallon water tank, the system automatically purifies, sending clean water to the internal storage tank, ready to be instantly dispensed at the push of a button. No more wasting money on bottled water, and you’ll be doing your part to save the planet!
• 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

• 💧【EXCELLENT PERFORMANCE】: 4-stage filter system blocks impurity and transforms ordinary tap water into clean drinking water, making water taste crisp. Reverse Osmosis membrane with 0.0001um filtration accuracy removes 99.99% of 1,000 contaminants, including Chlorides, LEAD, CHLORINE, FLUORIDE, Heavy Metals, mercury, chloramine, chromium, arsenic, radium. Besides, the desalination rate reaches 96.8%. Invest your family's health with a true RO system.
• 💧【MUCH MORE EFFECTIVE】: Compared to conventional high-consumption under-sink RO filter system, KFLOW adopts RECYCLING MULTI-FILTRATION TECH. The water left after filtering is not hastily classified as waste water, but will be recycled for the next round filtration with adding water, which makes this water purifer saves water by 300% as to reduce the money on bottle water. (It's recommended to circulate no more than 4 time water before entire tank of fresh water needs to be added.)
• 💧【REPLACEMENT IN 3 SECONDS】: Electronic filter indicator could remind you the remaining life of filter and notify you when filter needs to be replaced. Spiraled filter system makes the filter replacement easy thing and NO TOOLS required. Reverse osmosis filter can be used for 2 years, PPF filter, front and rear carbon block filter can be used for 1 year. Search for Replacement Cartridge: ASIN#B0816TJ436, #B0816T8K1H, #B087WLBY4M, #B0816TRX4T. Replacement Carafes for #B084WY84T9.
• 💧【CE STANDARD CERTIFICATION】: All materials of this countertop water filter are food-grade-level standard. This water filter is certified by European Conformity. The impurities elimination rate of this Reverse Osmosis Water filter is far better than any counterpart in water purification market, which meets the food safety standard and human health requirement. Besides, creative water carafe prevents from secondary pollution. Your health is always what we focus on.
• 💧【FREE INSTALLATION & PORTABILITY】: With hassle free installation, unique watertank and no plumbing required design, it is not limited by water source. You can place and move KFLOW water filter to anywhere with power supply available. Plug and use! What's more? Elegant appearance fits your home decoration and delights your countertop! Suitable for bedroom, living room, kitchen, office and RV. It can be the combination of drinking dispenser, under-sink filtration and filter pot.

KFLOW

• 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

• 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

• 💧REVERSE OSMOSIS BEATS CONTAMINANTS - Tested against NSF standards. SimPure Y5 Countertop RO water purifier uses four further filtration effectively remove 99.99% of pollutants & harmful substance in your tap water including fluoride, Chlorine, TDS, limescale, Bacteria, heavy metals, Cysts, Viruses, Lead, Chromium, etc...Taste the Difference!
• 💧NO INSTALLATION REQUIRED - Plug-in and you'll have purified water right away. Compared to traditional Under-Sink Filtration, SimPure Countertop Water Filter free installation, no plumbing required design. You can place and move SimPure water purifier to anywhere with power supply available. Free from water source and space constraints, perfect for kitchen, bedroom, office, lobby, restaurant, Outdoor RV etc...
• 💧INSTANT HEAT WITH 4 TEMPERATURE SETTING - Enjoy pure water and various drinks without adjust water temperature. Accurately set 4 temperature modes: Room Temp, Formula(Milk Powder), Tea, Coffee. Single push-button to dispense a cup or glass of purified water at your selected temperature. Why wait for your Kettle to boil again when you have instant hot water available.
• 💧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, saves water waste up to 1500% compare to conventional RO systems.
• 💧30-DAY HASSLE-FREE RETURN AND 1-YEAR WARRANTY - If you are not satisfied with your purchase, then we want to hear from you. Please contact our trained water specialists 1-866-528-4572. SimPure is based in Seattle, WA, USA, and is available to answer any questions during the life of the product. (Please scroll down for replacement filter purchase options)

SimPure

• IS YOUR WATER SAFE TO DRINK? Studies continue to pour in regarding Toxins, Hormones, Microplastics, Cancer-linked contaminants, known Carcinogens and other toxins discovered in our Tap Water, Filtered Water…and yes, even Bottled Water. Arsenic, lead, chromium, and drug residues are commonly found in municipal drinking water. AQUA TRU's patented Ultra Reverse Osmosis water filtration system is CERTIFIED to remove such contaminants and many more!
• CERTIFIED to NSF Standards by IAMPO to remove 82 CONTAMINANTS - that's 15X more contaminants than the leading pitcher filters. Removes such toxins as Lead 99.1%, Chromium 97.2%, Copper 95.2%, Fluoride 93.5%, Radium 96.4%, and Chlorine 96.6% (to name a few). In fact, it's designed to remove 1000's of pollutants that could be lurking in your tap water. Taste the Difference!
• NO PLUMBING OR INSTALLATION required - takes just minutes to set up. AquaTru’s Trusted & warrantied RO countertop system COSTS CONSIDERABLY LESS than fully installed under-the-counter RO systems, while at the same time, delivering often Cleaner, Purer, and Better Tasting Water. Why waste money & add to landfills with bottled water (93% recently found to contain micro-plastics)? 1 SET OF FILTERS REPLACES 4500 PLASTIC WATER BOTTLES (16.9 oz) - Forget about the hassle & cost of buying bottled water
• QUICK CHANGE TWIST AND SEAL FILTERS come included with your first AQUA TRU system, and last from 6 months to 2 years. SLEEK COMPACT DESIGN - 14'' Tall x 14'' Deep x 12'' Wide - Purifies 1 gallon of tap water into bottle-quality water in 12-15 minutes.
• 100% SATISFACTION GUARANTEED - Your AquaTru water purifier is warranted to be free from defects in materials and workmanship for one year from the original purchase date. Should the product have a defect in materials or workmanship, we will repair or replace it without charge to you (a shipping and processing fee will apply). Warranty does not include filters. To obtain service under warranty, simply call our customer service center toll-free at 1-800-220-6570

AQUA TRU

• 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

• [Multi-stage filtration]: Waterdrop M5 countertop RO system uses an all-in-one filter with a multi-stage filtration system, containing two layers of sediment PP membrane, premium carbon block, RO membrane and post-activated carbon block layer. Combining them all together can remove over 1,000 harmful substances, including but not limited to chlorine, lead, taste and odor, sand, rust, particulates, TDS and other heavy metals.
• [No pump and electricity]: Waterdrop M5 countertop RO system has creative no electricity design, which makes you worry-free on finding plug-in when you install it. More importantly, M5 RO system provides you a better experience with a no pump design, less than 20.7dB.
• [Space-saving design]: To install it on the countertop, M5 RO system will save more space for you to cook. And remember, you do not need a plug-in for M5 to be operated.
• [Extended filter life]: Waterdrop M5 countertop RO system uses an all-in-one filter to provide stable filtration performance with 12 months service life. With the capability of up to 550 gallons of water, the extended filter life will bring less replacement cost and less maintenance time. Please search WD-M5RF for the compatible replacement filter.
• [Large capacity with 0 waiting time]: Waterdrop M5 countertop RO system contains an 80 oz pitcher, which will perfectly fit your water need. At the same time, the pitcher could be carried to anywhere and most importantly it is fridge friendly. No more wait for fresh and cool water!

Waterdrop

• 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.

Berkey

• 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.

Express Water