Top 10 Best Countertop Filters in 2025 - #1 Top Picks Today

10 Best Countertop Filters of 2025

Find 10 best countertop filters available on the market today. Join the millions of savvy shoppers who trust Greatest.Guide daily for reliable recommendations.

Updated April 15, 2025

Top Picks

Affiliate Disclosure

ProductPage Image

Compare

Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier

6-STAGE ADVANCED FILTRATION WITH UV LIGHT: The Bluevua RO100ROPOT-UV boasts a superior 6-stage filtration system, featuring a 0.0001μm RO membrane, including UV light and an added remineralization filter. Certified by WQA against NSF/ANSI/CAN 372 for lead-free and tested by SGS, this combination effectively reduces TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, and more, while also enriching water with essential minerals, balancing taste and health benefits.

COUNTERTOP FILTRATION + PREMIUM-QUALITY CARAFE: No plumbing or installation is required for this RO system. Simply plug this portable piece of tech into any power source and you're ready to fill it up and go! Better yet, the water container is constructed of a high borosilicate glass carafe instead of the traditional plastic, reducing the risk of secondary pollution and making this one of the best countertop water filter systems.

POWER SAVING + WATER SAVING: The water system automatically enters power-saving standby mode when not in use to reduce power consumption. Filters are also designed to help save water with an impressive 2:1 Pure to Drain ratio. Leftover water from a cycle isn't deemed wastewater so more water is saved to use for various household purposes.

FILTER LIFE MONITOR: The countertop water filters last for a long time between 12-24 months to provide 1-2 years of clean drinking water before needing replacement. Monitor display shows the service life of filters and water quality so you can easily keep track of filter replacement and periodically switch out filter tubes.

SUSTAINABLE HYDRATION: 1-year limited manufacturer warranty included upon registration. Designed with premium quality components for years of reliable use, our RO system delivers bottled-quality water at home, reducing plastic waste and supporting sustainability efforts with ClimatePartner Certification.

ProductPage Image

Waterdrop

Compare

Waterdrop Countertop Water Filter, NSF/ANSI 42&372 Certified,5-Stage Stainless Steel Faucet Water Filter for 8000 Gallons, Reduces Heavy Metals, Bad Odor and 99% Chlorine,WD-CTF-01(1 Filter Included)

𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐍𝐨𝐭𝐞: 𝐃𝐨 𝐧𝐨𝐭 𝐫𝐞𝐝𝐮𝐜𝐞 𝐓𝐃𝐒! 𝐖𝐨𝐫𝐤𝐬 𝐰𝐢𝐭𝐡 𝐬𝐭𝐚𝐧𝐝𝐚𝐫𝐝 𝐟𝐚𝐮𝐜𝐞𝐭𝐬! Does 𝐧𝐨𝐭 𝐟𝐢𝐭 pull-out, hand-held, spray style faucets or faucets with sensor. Please verify if our product suits your faucet before purchase per the detailed instructions in product pictures. If you're not sure whether your faucet is compatible with the Waterdrop faucet water filter, please take a photo of your faucet and contact us.

Easy installation:For standard taps only. 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. Note: Please keep the wrench for later use.

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. (Tested by a third party lab). 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.

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.(Tested by a third party laboratory)

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.

ProductPage Image

Compare

Countertop Reverse Osmosis System Water Filter with UV, 5:1 Pure to Drain, 5 Stage RO Water Filtration, Portable No Installation Water Purifier, Countertop Filtration for Home, Off White

ADVANCED REVERSE OSMOSIS FILTRATION: Against NSF/ANSI 58. Experience superior water quality with advanced reverse osmosis technology. This system effectively removes contaminants, including heavy metals, chlorine, and sediments, ensuring that you drink only the cleanest water.

EFFICIENT 5:1 PURE TO DRAIN RATIONM: Reduce your environmental impact with an impressive 5:1 pure to drain ratio. For every gallon of purified water produced, only one gallon is wasted, making it a sustainable choice for your daily hydration needs.

5L LARGE CAPACITY: Aigerri Countertop Reverse Osmosis System have 5L raw water tank, 2L pure water tank and includs 2 filters for free.It goes through fast twist filter cartridges provide 529 gallons of purified water (approximately 6000 bottled water).

UV PURIFICATION SYSTEM: Aigerri purification system combined with 5-Stages 0.0001μm RO Filtration System, can take water purification to next level, effectively destroying 99.99% of microorganisms, bacteria, germs more thorough sterilization from your water.

NO INSTALLATION REQUIRED: Forget about complicated installations! This water purifier is ready to use right out of the box. Simply plug it in, and you can start enjoying clean, filtered water in minutes. Simple operation with a user-friendly interface for effortless access to purified water.

ProductPage Image

Dreo

Compare

Dreo Reverse Osmosis Water Filter Countertop, 7-Stage RO Water Filtration System, 3:1 Pure to Drain, Portable Water Pitchers for Home Kitchen, No Installation, Reduce TDS, BPA Free

𝘼𝙙𝙫𝙖𝙣𝙘𝙚𝙙 𝙁𝙞𝙡𝙩𝙧𝙖𝙩𝙞𝙤𝙣 𝙎𝙮𝙨𝙩𝙚𝙢: The DREO WF511 Reverse Osmosis Countertop Water Filter features an 7-stage filtration system that removes up to 1000 contaminants by 99.99%, ensuring every drop of water you drink is pure and safe

𝙎𝙞𝙢𝙥𝙡𝙚 𝙎𝙚𝙩𝙪𝙥, 𝙄𝙣𝙨𝙩𝙖𝙣𝙩 𝙐𝙨𝙚: Simply plug in, flush twice, and you're all set. This RO water purifier fits seamlessly into kitchens, living rooms, or offices, with no plumbing required

𝘿𝙧𝙞𝙣𝙠 𝘼𝙣𝙮𝙩𝙞𝙢𝙚, 𝘼𝙣𝙮𝙬𝙝𝙚𝙧𝙚: Tap the LED screen for instant dispensing or pour from the BPA-free pitcher. Dual portable kettles work seamlessly. Take one anywhere (living room, office, RV) while the standby unit auto-refills silently

𝙍𝙚𝙖𝙡-𝙩𝙞𝙢𝙚 𝙈𝙤𝙣𝙞𝙩𝙤𝙧𝙞𝙣𝙜: The smart display keeps you updated on filter life for prompt replacement. The real-time TDS display lets you see the water purity at a glance. Features like auto flushing and child lock make water purification smarter and safer

𝙀𝙘𝙤-𝙘𝙤𝙣𝙨𝙘𝙞𝙤𝙪𝙨 𝙎𝙖𝙫𝙞𝙣𝙜𝙨: The RO system reduces water waste with a 3:1 pure-to-drain ratio. 1 RO and 2 PPC filters (1 included) purify up to 1,050 gallons, equal to 8,000 plastic bottles of water

𝙃𝙚𝙖𝙡𝙩𝙝𝙮 & 𝙁𝙡𝙖𝙫𝙤𝙧𝙛𝙪𝙡 𝙒𝙖𝙩𝙚𝙧: The DREO WF511 features an activated carbon filter that removes odors while keeping essential minerals intact, delivering naturally sweet, pure water

ProductPage Image

iSpring

Compare

iSpring CKC1C Countertop Drinking Water Filtration System with Carbon Filter, 2.5" x 10", Clear

Easy Setup: No drilling required. Simply attach to your faucet for instant clean water

Clear Housing: See-through design allows you to monitor filter status and know when it's time for a change

Advanced Filtration: Carbon block cartridge removes 95% of chlorine, odors, sediment, and rust, ensuring cleaner, healthier drinking water

Complete Kit: Includes filter housing, carbon block cartridge, dispensing spout, diverter valve, tubing, wrench, and manual for easy installation

Low Maintenance: Replace filters every 6 months for optimal performance

ProductPage Image

Waterdrop

Compare

Waterdrop Countertop Water Filter, 4000 Gallons Water Filter for Sink Faucet and Filter Life Reminder, Reduces Heavy Metals, Bad Odor, and 99% Chlorine (1 Filter Included) WD-CTF-05

𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐍𝐨𝐭𝐞: 𝐃𝐨 𝐧𝐨𝐭 𝐫𝐞𝐝𝐮𝐜𝐞 𝐓𝐃𝐒! 𝐖𝐨𝐫𝐤𝐬 𝐰𝐢𝐭𝐡 𝐬𝐭𝐚𝐧𝐝𝐚𝐫𝐝 𝐟𝐚𝐮𝐜𝐞𝐭𝐬! Does 𝐧𝐨𝐭 𝐟𝐢𝐭 pull-out, hand-held, spray style faucets or faucets with sensor. Please verify if our product suits your faucet before purchase per the detailed instructions in product pictures. If you're not sure whether your faucet is compatible with the Waterdrop faucet water filter, please take a photo of your faucet and contact us.

[Dedicated Faucet] By means of the dedicated faucet, this countertop water filter can deliver pure water for drinking and cooking, and tap water for washing fruits and vegetables separately. Attention: This system is designed for standard water faucets only and will not fit special or uniquely shaped faucets. Please verify the compatibility with your home faucet before purchasing to avoid installation issues. Additionally, only the WD-CFF-03 filter can be used with this system.

[NSF/ANSI 372 Certified] Trust in a product that is rigorously tested and certified for your family's health. This countertop water purifier has been certified by IAPMO R&T against NSF/ANSI 372 (≤0.25% lead).

[4,000-Gallon Long Lifespan] The Waterdrop faucet water filter delivers long-lasting performance, effectively filtering up to 4,000 gallons of water or providing 6 months of service before requiring a replacement, reducing your environmental footprint by less waste. It comes with a mechanical life recorder to track filter usage. Align the start month when you install this filter, and it'll help record the replacement time. Never miss the replacement of your filters.

[Advanced Filtration] Utilizing advanced filtration technology, this Waterdrop water filter for sink faucets filter effectively reduces contaminants such as chlorine, taste and odor, colloids, rust, sediment, heavy metals and more, tested by a third-party lab, ensuring every drop of water you consume is clean and safe.

[Easy Installation] Just attach it to your faucet. Say goodbye to complicated setups with our user-friendly faucet water filter. No tools are required for installation, and the process can be completed in 1 minute. This hassle-free setup allows you to quickly enjoy the benefits of purified water without the need for professional assistance, making it an ideal choice for busy households.

ProductPage Image

SimPure

Compare

SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)

TESTED AND CERTIFIED BY SGS: Against NSF/ANSI 58, EPA 537 Standard: Converts your tap water/well water(TDS<500 ppm) into pure and healthy drinking water by removing 99.99% of the 1,000+ contaminants including viruses, bacteria, chemicals (PFAS/PFOA/PFOS, Pharmaceuticals), heavy metals (Lead, Arsenicetc), chlorine, TDS (fluoride, nitrates/nitrites) and etc. Say goodbye to the hidden dangers of tap water

UV PURIFICATION SYSTEM: Use no chemicals and emits absolutely no by-products, effectively destroying 99.99% of microorganisms, bacteria, germs more thorough sterilization from your water. SimPure UV purification system combined with 4-Stages 0.0001μm RO Filtration System, can take water purification to next level. Taste the refreshing difference

NO INSTALLATION REQUIRED: Simply plug it in and enjoy purified water instantly. Eliminating installation hassles and complex filter replacements. Unlike traditional under sink water filter systems, Y7P counter top RO water filter free from water source and space constraints. Place it anywhere with a power supply – perfect for homes, apartment, kitchens, offices, camping, RVs, and more

EFFORTLESS HYDRATION & ELEVATED LIFESTYLE: SimPure Y7P desktop water purifier included a full set of quick-change twist filter cartridges provide 528 gallons of purified water (approximately 6000 bottled water). Embrace a sustainable lifestyle, reduce plastic waste, and save money with SimPure. It's not just purified water; it's an elevated standard of living, making each sip a testament to the purity and sustainability it offers

HIGH EFFICIENCY IN WATER PURIFYING: Achieving a 4:1 pure to drain ratio, the SimPure Y7P boasts the highest water utilization rate among RO systems available in the market. With the innovative recycling multi filtration technology, it can save up to 1500% more water compared to under sink RO water filtration systems. Additionally, the faster dispense flow rate (418 GPD) ensures you can enjoy a cup of purified water in approximately 15 seconds

SERVING USA SINCE 2006: Seattle, WA USA, SimPure dedicated in providing world-class quality of water filtration solutions. Your satisfaction is our priority. Contact our trained water specialists with any questions – we're here to support you throughout the product's life. (Please scroll down for replacement filter purchase options)

ProductPage Image

Compare

Brita UltraMax Elite Water Filter Dispenser, Removes 99% of Lead, Includes 1 Filter, 27-Cup, Black

WATER DISPENSER: One BPA-free, large 27-cup Brita UltraMax Elite Water Dispenser includes one Elite filter to help remove impurities from your tap water

IMPROVES WATER QUALITY: Brita water purifier dispenser cuts the taste and odor of chlorine from your drinking water

CUTS OUT IMPURITIES: Brita’s 27-cup water filter system helps reduce 30 contaminants, including cadmium, mercury, asbestos, benzene and lead. Reduces 99% of Lead.

SUSTAINABLE: By switching to Brita, you can save money and replace up to 1,800 single-use plastic water bottles a year

FRIDGE-FRIENDLY: Space-efficient Brita water dispenser is fridge-friendly, and it features an easy-locking lid and precision-pour spigot

REPLACEMENT INDICATOR: Electronic filter indicator lets you know when it is time to change your Brita filter

ProductPage Image

Compare

Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB

3-Stage Filtration - The Purewell gravity water filter system adopts a composite filter technology, can reduce most contaminants. The black carbon filter has passed authoritative NSF/ANSI 42 certification, it employs a 0.01μm hollow fiber UF membrane, a silver ion membrane and an activated carbon block to reduce chlorine and intercept rust, sediment, organic matter and heavy metals, etc. This water filter system has also passed authoritative NSF/ANSI 372 certification.

Smaller Filter Pore Size - The filter pore size of Purewell gravity water filter is 0.01 microns so that it can filter out 99.99% tiny materials from the water while other brands' filter pore size is only 0.2 microns. The smaller filter pore size, the higher filtering accuracy. What's more, Purewell water filter system can maintain the optimal flow rate (4 gallon/hour) while the filter pore size is smaller.

Complete Accessory Set: The system not only provides safe water but also adds a touch of style to your home with its 304 food-grade stainless-steel housing. This ensures a sturdy and long-lasting structure. The 304 stainless steel spigot that comes with the system fits the chamber perfectly, preventing any leaks. Additionally, a non-slip stand is included to enhance the user experience. These accessories are included in the package, you don't have to spend extra money on additional accessories.

Energy Saving - Relying on the principle of gravity filtration, no electricity is needed. The gravity water filter system is divided into upper and lower chambers. The upper chamber can be filled with unfiltered tap water, the lower chamber will get clean water after filtered. Because it does not require electricity, it can be used indoors and outdoors. NOTICE: When the bottom chamber is full of filtered water, please do not add tap water to the top chamber or it will leak out.

Long Lifespan and Replaceable - The two carbon filters (black) can provide up to 6000 gallons drinking water, the service life of a single filter element is 3000 gallons (According to different water quality, the lifespan of the filter elements would be a little different). But for optimum performance, the filter elements should be replaced every 6 months. NOTICE: The filter element DOES NOT lower TDS value.

ProductPage Image

Compare

PHILIPS Countertop Reverse Osmosis Water Filter Dispenser, 5 Stages RO Water Filtration System Purifier with Aquaporin Technology Tested by NASA, 3:1 Pure to Drain, NSF/ANSI 372 Certified, Reduce TDS

✔ 𝐀𝐪𝐮𝐚𝐩𝐨𝐫𝐢𝐧 𝐈𝐧𝐬𝐢𝐝𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: This countertop water filter dispenser incorporates the Aquaporin Inside technology to deliver exceptional water filtration. This highly selective and long-lasting aquaporin technology has been tested in partnership with leading space agencies NASA and ESA, to ensure astronauts have access to filtered water

✔ 𝟓-𝐒𝐭𝐚𝐠𝐞𝐝 𝐑𝐎 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: With the 5-stage deep filtration down to 0.0001 micron, this Philips reverse osmosis water filter system powered by Aquaporin Inside effectively reduces TDS, Lead, Calcium, and Chromium III, ensuring clean and pure taste of water. NSF/ANSI/CAN 372 certified for lead-free material

✔ 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 & 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐔𝐬𝐞: Measured in 5x13x14inches, the slim and compact design of this water dispenser makes it easy to fit in any home, RV, dormitory, or office setting. 𝐃𝐨 𝐍𝐎𝐓 𝐟𝐢𝐥𝐭𝐞𝐫 𝐦𝐢𝐜𝐫𝐨𝐛𝐢𝐨𝐥𝐨𝐠𝐢𝐜𝐚𝐥𝐥𝐲 𝐮𝐧𝐬𝐚𝐟𝐞 𝐰𝐚𝐭𝐞𝐫 𝐨𝐫 𝐰𝐚𝐭𝐞𝐫 𝐨𝐟 𝐮𝐧𝐤𝐧𝐨𝐰𝐧 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐚𝐝𝐞𝐪𝐮𝐚𝐭𝐞 𝐝𝐢𝐬𝐢𝐧𝐟𝐞𝐜𝐭𝐢𝐨𝐧

✔ 𝐏𝐥𝐮𝐠 𝐚𝐧𝐝 𝐏𝐥𝐚𝐲: Enjoy instant filtration with a simple press of a button, making it convenient and easy to access clean water. Just plug and play, no plumbing installation required.This water dispenser consistently dispenses a standard volume of 16.9 oz with each press, ensuring you can enjoy pure and fresh-tasting water instantly

✔ 𝐇𝐚𝐬𝐬𝐥𝐞-𝐅𝐫𝐞𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: 9-cup detachable water reservoir for your easy refill. Filter lifetime indicator reminds on-time filter replacement. Each filter lasts up to 12 months, which saves up to 4,000 standard 16.9 oz plastic water bottles

✔ 𝟏𝐱 𝐆𝐥𝐚𝐬𝐬 𝐁𝐨𝐭𝐭𝐥𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝: Philips water purifier dispenser comes with a reusable high-quality glass bottle (16.9 oz) to keep your water fresh and cold in the refrigerator, adding convenience to your hydration routine

Disclaimer: While we strive for accuracy, we cannot guarantee that all product features listed are complete or error-free. Please confirm the details with the retailer before making a purchase.

Similar

Reverse Osmosis

Water Purifiers

Reverse Osmosis

How We Rank

Greatest.Guide uses in-depth review analysis, user feedback, top sellers, prices, and feature comparison to pick the best products on the market.

What is PriceRank

PriceRank rates a product's price, giving you a quick visual guide to how it compares in cost to other similar products in its category.

Secure SSL encryption

Secure SSL encryption

Our #1 Pick

ProductPage Image

Compare

Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier

6-STAGE ADVANCED FILTRATION WITH UV LIGHT: The Bluevua RO100ROPOT-UV boasts a superior 6-stage filtration system, featuring a 0.0001μm RO membrane, including UV light and an added remineralization filter. Certified by WQA against NSF/ANSI/CAN 372 for lead-free and tested by SGS, this combination effectively reduces TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, and more, while also enriching water with essential minerals, balancing taste and health benefits.

COUNTERTOP FILTRATION + PREMIUM-QUALITY CARAFE: No plumbing or installation is required for this RO system. Simply plug this portable piece of tech into any power source and you're ready to fill it up and go! Better yet, the water container is constructed of a high borosilicate glass carafe instead of the traditional plastic, reducing the risk of secondary pollution and making this one of the best countertop water filter systems.

POWER SAVING + WATER SAVING: The water system automatically enters power-saving standby mode when not in use to reduce power consumption. Filters are also designed to help save water with an impressive 2:1 Pure to Drain ratio. Leftover water from a cycle isn't deemed wastewater so more water is saved to use for various household purposes.

FILTER LIFE MONITOR: The countertop water filters last for a long time between 12-24 months to provide 1-2 years of clean drinking water before needing replacement. Monitor display shows the service life of filters and water quality so you can easily keep track of filter replacement and periodically switch out filter tubes.

SUSTAINABLE HYDRATION: 1-year limited manufacturer warranty included upon registration. Designed with premium quality components for years of reliable use, our RO system delivers bottled-quality water at home, reducing plastic waste and supporting sustainability efforts with ClimatePartner Certification.

Discover Deals

Greatest.Guide
Greatest.Deals

Support

Contact Us
Sitemap

Legal & Policies

Terms of Service
Privacy Policy
Affiliate Disclosure