10 Best reverse osmosis countertop systems of 2025
Best Choice1
Clicked 1,066 times in the last monthPHILIPSPhilips Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System with Aquaporin Inside and 2 Portable Pitchers, NSF/ANSI 372 Certified, Reduce TDS Lead (NO HOT or Cold Water)
Why we love it
Advanced 6-stage filtration ensures pure water.
No plumbing installation required.
Real-time TDS monitoring for assurance.
9.8Exceptional
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Value for Money2
BluevuaBluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier
Why we love it
No plumbing required, easy setup.
Efficient 4-stage filtration.
Long filter life, up to 24 months.
9.6Exceptional
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3
Aigerri25% OffCountertop 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
Main highlights- 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.
- 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.
- 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.
- 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).
9.3Excellent
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4
SimPure22% OffSimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier
Main highlights- 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)
- ENHANCED FILTRATION WITH MINERALIZATION: The SimPure Y9A uses advanced reverse osmosis technology, followed by a post-mineralization filter that adds essential minerals like calcium (Ca²⁺), magnesium (Mg²⁺), and potassium (K⁺). This enhances the taste of the water while promoting better hydration and supporting bone and heart health
- ECO-FRIENDLY HYDRATION: Minimize plastic waste with every glass—our countertop water filter provides a sustainable alternative to single-use bottles. Based on average household usage, one filter can replace thousands of plastic bottles.
- EASY WATER TANK REPLACEMENT: The Y9 Series Water Filter features a side-placed water tank, making water replacement simple and convenient, unlike traditional systems with rear-placed tanks that are harder to access
- COMPACT DESIGN WITH EASY INSTALLATION: The Y9 Series RO water filter fits neatly in kitchens, apartments, and offices. It is designed for ZERO installation, offering convenience without requiring complex setup
- 6-STAGE ADVANCED PURIFICATION: The Y9 Series RO Water Filtration System features a 6-stage filtration system with effectively removing 99.99% of over 1,000 harmful contaminants, including coliform, PFOA/PFOS, heavy metals (lead, arsenic), chlorine, fluoride, nitrates, and more. Say goodbye to the hidden dangers of tap water for a cleaner, safer drinking experience
- 300 GPD HIGH CAPACITY FILTRATION: The Y9 Series System filter 300 gallons per day (GPD), far surpassing the typical 50-100 GPD of most countertop systems, providing a fast, continuous supply of clean water
9.2Excellent
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5
topzeeUV Countertop Reverse Osmosis Water Filter System, 8 Stage Water Purifier, 7L Large Water Tank for Home, 4:1 Pure to Drain, Reduce TDS PFAS, BPA Free (No Installation Required), White
Main highlights- Trusted Certifications & Food-Grade Materials- Made from safe, food-grade materials and backed by multiple international certifications, including NSF/ANSI and EPA standards, ensuring clean, odor-free water. The filter cartridges are easy to replace, and combined with the UV sterilization, it guarantees consistently high water quality for you and your family, especially babies and cats.
- Smart Control Panel with One-Touch Temperature & Volume Settings- The intuitive control panel allows you to instantly select different temperatures (Ambient/115℉/140℉/185℉/205℉) and water volumes (4 oz/8 oz/12 oz/16 oz) at the touch of a button. Ideal for making coffee, baby formula, or tea. Fast dispensing makes hydration more convenient than ever.
- Efficient 4:1 Pure to Drain- Designed with advanced water-saving technology, the water filter system has 4:1 pure to drain ratio to reduce waste. Moreover, the wastewater can be retained for various household uses, such as watering plants and mopping the floor.
- Convenient Design & 237oz Extra-Large Water Tank for Versatile Use- Equipped with an extra-large water tank, reducing the need for frequent refills, it is perfect for home, office, camping, or RV use. Its plug-and-play design requires no installation, fitting effortlessly on kitchen countertops or in compact spaces. Whether at home or on the go, enjoy fresh, clean water anytime.
- 8-Stage Filtration & UV Sterilization for Ultimate Purity- Featuring a 8-stage advanced filtration system with a 0.0001μm RO membrane that removes over 1,000 contaminants, including heavy metals (lead, arsenic, aluminum), TDS, chlorine, and microplastics, achieving a 99.9% removal rate. The built-in UV lamp ensures every drop is pure and safe to drink.
9.1Excellent
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6
SimPure28% OffSimPure Y7T-BW-A Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 100GPD 5 Stage RO Water Filtration System with pH+ Remineralization, Water Purifier with Glass Pitcher, No Installation
Why we love it
No installation required, easy setup.
Adds essential minerals for better taste.
Saves water with high efficiency.
9.0Excellent
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7
VonWater36% OffVonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910
Why we love it
No installation required.
Eco-friendly with 3:1 water ratio.
Real-time TDS display.
8.8Very Good
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8
Stokk25% OffStokk E1 Reverse Osmosis Water Filter Countertop, 5 Stage RO Water Filter System with Remineralization Glass Pitcher, NSF/ANSI 58&372, Portable No Installation Water Purifier for Home Office
Why we love it
No installation required.
Improves water taste significantly.
Displays real-time water quality.
8.7Very Good
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9
Waterdrop24% OffWaterdrop WD-A2 Countertop Reverse Osmosis System, 𝐇𝐨𝐭 𝐚𝐧𝐝 𝐂𝐨𝐥𝐝 RO System, Portable Pure Water Tank, Bottleless Water Cooler, 6 Temperature Settings, Hot Cold Room Water, 3:1 Pure to Drain
Main highlights- 𝟓-𝐬𝐭𝐚𝐠𝐞 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Waterdrop reverse osmosis water filter has a 0.0001μm RO membrane to reduce TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead Nitrate, Chromium-VI, Copper, Sediment, Salt and more, providing healthy water for you
- 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐭𝐨 𝐔𝐬𝐞: This reverse osmosis water filter can fit any countertop without installation, from the kitchen, and living room to the office, or even RVs. Its 40oz portable pure water pitcher makes hydration simple and convenient wherever you need it
- 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐇𝐨𝐭 & 𝐂𝐨𝐥𝐝: This countertop reverse osmosis system could be adjusted from 59℉ to 203℉ making you get the desired water temperature more easily. It's pure hot and cold in one design, and it meets all your water needs with instant filtration performance
- 𝐅𝐚𝐯𝐨𝐮𝐫𝐢𝐭𝐞 𝐌𝐨𝐝𝐞 𝐒𝐞𝐭𝐭𝐢𝐧𝐠: With its smart touch control screen, this hot & cold Countertop Reverse Osmosis Water Filter can memorize and set your water hobbies. You can choose from adjustable 6 temperature options and 5 water volumes with simplicity at your fingertips
- 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 & 𝐒𝐦𝐚𝐫𝐭: This reverse osmosis system's composite filter is designed to be easy to replace and less costly. Its 3:1 Pure to Drain saves 1200% water and plastic bottled water. Also, it has an intelligent screen for real-time TDS monitoring and filter life reminders to ensure your water quality
8.6Very Good
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10
BEATYL22% OffReverse Osmosis Water Filter, Water Purifier, 8-Stage RO Filtration System, Portable Water Purifier Countertop, White
Main highlights- Portable Kettle for Convenience: The filtered water is stored in a portable kettle. You don't need to fetch water from the water purifier every time. Just place the kettle within reach. It can be placed in various scenarios such as the living room, office, bedroom, or RV
- No Installation Required: This RO water filtration system is built for convenience with zero installation. Just place the removable kettle and water tray, plug in, turn on the power, fill the tank, and gently touch the water outlet button to start water production
- Intelligent Display for Precise Monitoring: This reverse osmosis water filter features an intelligent screen that allows you to monitor water quality, display Total Dissolved Solids (TDS), and has functions like filter life monitoring, water volume setting, cleaning system, and filter reset
- Efficient 4:1 Pure to Drain: The water filter system has 4:1 pure to drain ratio to reduce waste. Moreover, the wastewater can be retained for various household uses, such as watering plants and mopping the floor
- 8-Stage Filtration for Safe Drinking: This reverse osmosis system countertop utilizes a 8-stage filtration and purification process that transforms it into pure, healthy drinking water, ensuring the safety of you and your family
8.3Good
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