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5 Best Reverse Osmosis Countertops of 2025

Last Updated - 2025/07/16

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Melissani

MELISSANI M1 Reverse Osmosis Countertop Water Purifier, Professional Grade 5-Stage RO Filtration, Purified Tap Water, 3-second Hot or Cool, Portable Water Purification System for Home- No Installation

Melissani

CA$749.99

More Details
Main highlights
- PROFESSIONAL COUNTERTOP PURIFICATION - Pure water with an installation-free countertop design. Variable output (8 oz, 12 oz, Continuous Flow). Large 6L water tank for minimal refilling. 5-stage RO filtration and LED-UVC sterilization filters impurities down to 0.0001 microns and removes nearly all contaminants in tap water.
- PREMIUM FEATURES - Self-cleaning function flushes filter system and waterways for 6 minutes, ensuring proper filtration and extending filter life. Instant hot, coool, or room temp water, ideal for coffee or tea. Smart filter life indicators and TDS (Total Dissolved Solids) display provides real-time water quality. Optional Molecular Hydrogen enrichment function. Removable drip tray for all size cups and bottles and easy cleaning.
- MELISSANI WARRANTY - 100% satisfaction guaranteed. Love the taste of your water. Melissani is USA based and has both email and phone support for customers.
- HEALTHY & SUSTAINABLE - Reduce plastic water bottle use and drink healthier water. Protect your environment and body.
- 5 STAGE FILTRATION - Easy to replace filters. 2 in 1 PAC, Reverse Osmosis, and Activated Carbon Filters produce clean and delicious drinking water. Drink any municipal tap water with safe & effective removal of thousands of PFAS toxins including PFOS & PFOA, Fluoride, Chlorine, Viruses, Rust, Lead, and other microscopic impurities. Pure activated carbon is included in multiple filter stages for healthier and better tasting water.
CA$749.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

FRIZZLIFE

Frizzlife Countertop Reverse Osmosis System - WB99 Alkaline RO Water Filter with Portable Water Pitcher, NSF/ANSI 58 Certified Elements, 3.5:1 Pure to Drain, No Installation, USA Tech Support

FRIZZLIFE

CA$599.99

More Details
Main highlights
- 【Real-Time TDS, Filter Life & Water Quality Monitoring】The smart touch panel is sensitive and easy to operate. It will show the latest TDS result after each water production. Besides, this RO water filter system will keep monitoring the filter life and remind you to change filter cartridges in advance. Furthermore, if the filtered water in the pitcher has been over 24 hours, the water quality indicator will turn red. The user-friendly design allows you to forget the guesswork.
- 【Portable Pitcher With RO Water】The filtered water pitcher is portable and can be taken anywhere in need. There is no need to go to the system each time to fetch the water, just place the pitcher within reach. You can also put the pitcher into the refrigerator to get ice water! Thanks to its compact size (9"L x 16.5"W x 14.8"H), it can be placed in multiple scenarios, such as living room, office, bedroom, RV and more. The elegant design can also be harmoniously incorporated into the home decor.
- 【Plug and Use & Easy Replacement】 WB99-C reverse osmosis water filter system is built for convenience, it is fully assembled and requires ZERO installation. Just plug it in, fill up the water tank, then the system will automatically start to produce RO water right away! The twist-in design makes the filter replacement a breeze and no tools required. The system comes with full set of filter cartridges. For replacement filters, please search “ Frizzlife FCR100+ Filter” and “ Frizzlife SC90 Filter
- 【4 Dispensing Volume Modes & Large Water Tank】Frizzlife countertop RO system features with multiple dispensing volumes: 4oz, 8oz, 17oz and continuous dispensing. Simply tap the screen to select the desired volume. Please kindly note that the dispensing volume is subject to±10% deviation. The large filling tank (152 oz/4.5 L) can perfectly meet the water demand for a family or an office. The tank is also removable, thus makes it effortless for water refilling and cleaning.
- 【0.0001 Micron RO Filtration & Alkaline pH+】By combining carbon fiber, 100 Gallon RO membrane and alkaline particles, Frizzlife WB99-C countertop reverse osmosis system can effectively reduce 1000+ harmful contaminants (99.99%), including Chlorine, Fluoride, Lead & other Heavy Metals, Arsenic, Chloramine, TDS, limescale, VOCs and much more. The SC90 alkaline filter addresses the side-effect of RO water and raises the PH value, which is beneficial to long-term health.
CA$599.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Waterdrop

Waterdrop CoreRO Countertop Reverse Osmosis Water Filter, Reverse Osmosis System Countertop, Portable Pure Water Pitcher, NSF/ANSI 372 Certified, 3:1 Pure to Drain, No Installation, 6 Stage, WD-C1S

Waterdrop

CA$369.00

More Details
Main highlights
- 𝟔-𝐬𝐭𝐚𝐠𝐞 𝐑𝐎 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Certified for safety with NSF/ANSI 372 lead-free material standard and SGS-tested. This CoreRO system uses premium 0.0001μm RO membrane to reduce TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead and more, providing you healthy water.𝐍𝐎𝐓𝐄: The WD-C1S can only enhance room-temperature water.
- 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐏𝐮𝐫𝐞 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤: Experience pure hydration with detachable design. Ideal for daily use, its 34oz capacity beautifully meets your water intake needs. Conveniently fits into refrigerator, it adapts to your diverse drinking preferences with ease.
- 𝐇𝐢𝐠𝐡-𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲 & 𝐋𝐨𝐧𝐠-𝐥𝐚𝐬𝐭𝐢𝐧𝐠: 3:1 water efficiency ratio designed to conserve water while being sustainable. Enjoy a composite filter with a 12-month lifespan, effortlessly replaceable within seconds for pure water anytime.
- 𝐅𝐥𝐮𝐬𝐡𝐢𝐧𝐠 𝐏𝐫𝐨𝐜𝐞𝐬𝐬: After powering on, the system auto-rinses the filter. When the water tank indicator lights up and the screen shows 50%, empty the tank and refill it. Continue rinsing until the screen shows 100%, indicating the process is complete.
- 𝐅𝐢𝐭𝐬 𝐄𝐯𝐞𝐫𝐲 𝐂𝐨𝐮𝐧𝐭𝐞𝐫𝐭𝐨𝐩: Ideal for kitchen, office, or bedroom - its compact design fits every countertop. No installation hassle, just plug and play for immediate clean water access, simplifying your path to a healthier lifestyle.
- 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐎𝐩𝐞𝐫𝐚𝐭𝐞: This countertop reverse osmosis system has a smart touch screen for TDS real-time displaying and filter life monitoring. Enjoy the convenience of 5 adjustable water volumes and effortlessly customize your water volume with simple controls. 𝐍𝐎𝐓𝐄: Before use, please make sure that the black protective film on the screen is removed to avoid affecting normal operation.
CA$369.00
4
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WaterFirst

WaterFirst® Dr.Water UV Countertop Reverse Osmosis System, 3S Instant Heat Portable RO Water Filter, NSF/ANSI 58 Certified, 5 Stages Purification, No Installation, 4:1 Pure to Drain

WaterFirst

CA$359.99

CA$379.99
(5% Off)

More Details
Main highlights
- 𝟓𝐋 𝐋𝐚𝐫𝐠𝐞 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤 & 𝟒:𝟏 𝐏𝐮𝐫𝐞 𝐭𝐨 𝐃𝐫𝐚𝐢𝐧: With 5L large water tank, fill once, use a day; boasting an efficient 4:1 pure to drain, it saves up to 800% water. Using the countertop RO water filtration system, you won't have to buy bottled water to have fresh water anymore. Additionally, the wastewater is saved to use for various household purposes, such as watering plants and mopping the floor. We aim to help you save water costs, and we also hope you join in the environmental efforts with WaterFirst
- 𝟒 𝐓𝐞𝐦𝐩 𝐒𝐞𝐭𝐭𝐢𝐧𝐠𝐬 𝐚𝐧𝐝 𝟔 𝐖𝐚𝐭𝐞𝐫 𝐕𝐨𝐥𝐮𝐦𝐞 𝐎𝐩𝐭𝐢𝐨𝐧𝐬: WaterFirst offers a variety of options with 4 temperature including room temperature, 113°F(Milk), 185°F(Tea), and 203°F(Coffee), along with 6 water volume: 6 oz, 8 oz, 10 oz, 12 oz, 14 oz, and continuous dispensing. Simply tap the screen to select your desired temperature and water volume, perfectly meeting the water needs of your home or office
- 𝟐 𝐈𝐧 𝟏 𝐏𝐮𝐫𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝟑𝐒 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐇𝐞𝐚𝐭: By reverse osmosis filter, effective remove 99.99% of over 1,000 harmful contaminants in the tap water, including chlorine, TDS (fluoride, nitrates/nitrites), radon, arsenic, radium, and nuclear radiation) and etc. WaterFirst RO water system combined with a 5-Stages 0.0001 μm RO filter can take water purification to another level. You deserve to taste it. With 3S instant heat NEW technology, you also can enjoy a delicious cup of hot drinking in a short time
- 𝐒𝐚𝐲 𝐍𝐨 𝐓𝐨 𝐅𝐫𝐞𝐪𝐮𝐞𝐧𝐭 𝐑𝐞𝐟𝐢𝐥𝐥: Dr.water water filtration system provide 5L large water tank supports various daily scenarios, once fill can use a day, Your high-quality and convenient lifestyle is safeguarded by Dr. Water
- 𝐏𝐥𝐮𝐦𝐛𝐞𝐫 𝐅𝐫𝐞𝐞, 𝐍𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐑𝐞𝐪𝐮𝐢𝐫𝐞𝐝: This portable reverse osmosis water filter is not complex pipeline modifications are needed, avoid expensive kitchen modifications, sit beautifully on your countertop, and it doesn't take up too much space. Just plug in this portable RO system into any power source, and you can start using it! Also, It's easy to use and would be easy to take from your kitchen to put in an RV when traveling
- 𝐇𝐢𝐠𝐡-𝐃𝐞𝐟𝐢𝐧𝐢𝐭𝐢𝐨𝐧 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐃𝐢𝐬𝐩𝐥𝐚𝐲: TDS and filter lifespan are visible, allowing real-time monitoring of water quality so you can easily keep track of filter replacement and periodically switch out filter tubes. We aim to provide you with high-quality purified water right in your home
- 𝐀𝐛𝐨𝐮𝐭 𝐖𝐚𝐭𝐞𝐫𝐅𝐢𝐫𝐬𝐭: Thanks for your trust. We offer a 1-year product service for you. Your satisfaction and peace of mind are our top priorities. Please feel free to contact our trained water engineer. We are always here for you. If for any reason you are not completely satisfied with your WaterFirst products, we offer a 1-year quality service on all our products
- WaterFirst Dr.water has undergone professional NSF, SGS, and EPA certifications to ensure absolute purity and safety of water quality. 𝐍𝐨𝐭𝐞: When water tank is lacking, please 𝐥𝐢𝐟𝐭 𝐭𝐡𝐞 𝐰𝐚𝐭𝐞𝐫 𝐭𝐚𝐧𝐤 and pour out the waste water, and refill tap water the entire water tank to MAX WATER LEVEL LINE
CA$359.99
CA$379.99 (5% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TOKIT

TOKIT T1 Pro Reverse Osmosis Water Filter Countertop, NSF/ANSI 58, RO Whole House Water Filter System with Remineralization and Instant Heating Tech, No Installation

TOKIT

CA$549.99

More Details
Main highlights
- 𝗧𝗲𝘀𝘁𝗲𝗱 𝗯𝘆 𝗦𝗚𝗖 ：Tested by SGS, NSF/ANSI 58 & 42 and FCC . TOKIT T1 Pro can reduce TDS, chlorine, unpleasant tastes and odors, effectively eliminating the hidden risks of tap water.
- 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 : The smart panel allows easy operation and real-time monitoring of TDS values for visualizing water quality, featuring a low water reminder and offers 4 water volume options (4OZ, 8OZ,12OZ,17OZ).
- 𝗜𝗻𝘀𝘁𝗮𝗻𝘁 𝗛𝗲𝗮𝘁𝗶𝗻𝗴 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 : TOKIT T1 Pro utilizes stainless steel thick film heating technology with 2100W high-power, which can purify water instantly without waiting for water to boil.
- 𝗚𝗼𝗼𝗱 𝗧𝗮𝘀𝘁𝗲 & 𝗛𝗲𝗮𝗹𝘁𝗵 𝗕𝗲𝗻𝗲𝗳𝗶𝘁𝘀 ：TOKIT T1 Pro is equipped with a strontium-rich mineralized filter, enhancing the taste of your water for a refreshing, mineral water-like flavor. Enjoy not just better-tasting water, but also added health benefits.
- 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗠𝘂𝗹𝘁𝗶-𝗦𝘁𝗮𝗴𝗲 𝗥𝗢 𝗙𝗶𝗹𝘁𝗿𝗮𝘁𝗶𝗼𝗻 : The RO system has been verified by SGS and can significantly reduce 99.99% harmful substances such as PFAS, fluoride, lead, chromium, iron, nitrate, chloride, as well as larger particles and radioactive substances (such as radium).
CA$549.99

5 Best Reverse Osmosis Countertops of 2025

MELISSANI M1 Reverse Osmosis Countertop Water Purifier, Professional Grade 5-Stage RO Filtration, Purified Tap Water, 3-second Hot or Cool, Portable Water Purification System for Home- No Installation

Frizzlife Countertop Reverse Osmosis System - WB99 Alkaline RO Water Filter with Portable Water Pitcher, NSF/ANSI 58 Certified Elements, 3.5:1 Pure to Drain, No Installation, USA Tech Support

Waterdrop CoreRO Countertop Reverse Osmosis Water Filter, Reverse Osmosis System Countertop, Portable Pure Water Pitcher, NSF/ANSI 372 Certified, 3:1 Pure to Drain, No Installation, 6 Stage, WD-C1S

WaterFirst® Dr.Water UV Countertop Reverse Osmosis System, 3S Instant Heat Portable RO Water Filter, NSF/ANSI 58 Certified, 5 Stages Purification, No Installation, 4:1 Pure to Drain

TOKIT T1 Pro Reverse Osmosis Water Filter Countertop, NSF/ANSI 58, RO Whole House Water Filter System with Remineralization and Instant Heating Tech, No Installation

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SimPure Y7P-W Countertop Reverse Osmosis Water Filtration Purification System, 4 Stage RO Water Filter, Bottleless Water Dispenser, 4: 1 Pure to Drain (No Installation Required)

SimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier

UV 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), Blue

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Stokk T1 Lite UV Reverse Osmosis Water Filter Countertop, Reverse Osmosis System with Carafe Alkaline Boost, 6-Stage RO Water Filtration System, NSF/ANSI 58&372, Reduce TDS PFAS Water Purifier (Gray)

Stokk 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

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