10 Best reverse osmosis filtration system in Canada

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Last Updated - 2025/10/26

Best Choice

01
Waterdrop

Waterdrop G3P600 Reverse Osmosis System, NSF/ANSI 58 & 372 Certified, Tankless Under Sink RO System, RO Water Filter System, TDS Reduction, 600 GPD, Smart LED Faucet

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Main highlights

𝟖-𝐬𝐭𝐚𝐠𝐞 𝐟𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Tested by official third-party laboratory (SGS), the reverse osmosis system can effectively reduce TDS, chromium, PFAS, radium, fluoride, arsenic salt, iron, calcium, particles, chloride, chlorine and radioactive substances in your tap water. And our RO water filter system can reduce chemicals such as vinyl chloride, ethylhexyl acrylate, isobutylene, ethylene glycol, according to the reverse osmosis membrane technical manual.
𝐓𝐚𝐧𝐤𝐥𝐞𝐬𝐬 𝐝𝐞𝐬𝐢𝐠𝐧: Waterdrop G3P600 reverse osmosis system has a stylish look. This tankless design saves 70% under sink space. You can change a filter in 3 seconds without moving the system or using any tools. Note: This reverse osmosis system requires under-sink electricity.
𝐒𝐦𝐚𝐫𝐭 𝐝𝐢𝐬𝐩𝐥𝐚𝐲 𝐟𝐚𝐮𝐜𝐞𝐭: The tankless reverse osmosis system is built with a smart display faucet. For instance, the TDS monitor tells you the quality of your filtered water, while the filter life tracker shows how soon you need to replace your filter.
𝐇𝐢𝐠𝐡 𝐜𝐚𝐩𝐚𝐜𝐢𝐭𝐲, 𝟐:𝟏 𝐥𝐨𝐰 𝐝𝐫𝐚𝐢𝐧 𝐫𝐚𝐭𝐢𝐨: As an upgraded reverse osmosis system, this reverse osmosis water system produces 600 gallons of filtered water per day. By its low drain ratio, this system can produce only one cup of waste water for every two cups of pure water produced. Furthermore, with a fast and stable water flow rate, this RO system fills a 8 oz cup of water in 8 seconds, which is ideal for drinking and washing vegetables.
Please measure your cabinet dimensions to ensure that the cabinet size is larger than the product size. The product size is 𝟏𝟖.𝟏𝟐"𝐋 𝐱 𝟓.𝟔𝟕"𝐖 𝐱 𝟏𝟕.𝟕𝟐"𝐇.
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9.8

Exceptional

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Value for Money

02
FRIZZLIFE

Frizzlife RO Reverse Osmosis Water Filtration System - 600 GPD High Flow, Tankless, Reduce TDS, Compact, Alkaline Mineral PH, 2:1 Drain Ratio, USA Tech Support, PD600-TAM3

21% Off Free Shipping

9.1 Taste

8.9 Easy installation

8.7 worth the money
Main highlights

Smart LED Display & Quick Change: The smart display panel clearly tells real-time out TDS and remaining lifespan of each filter. The built-in TDS system constantly monitors the quality of your drinking water 24/7. Acting as a intelligent reminder, the color-coded indicators will always remind you to change filters in advance. With all parts included and well-organized instructions and videos, Frizzlife PD600 RO filter can be completely installed in a few minutes by yourself.
Remineralization & Alkalization: The water from RO membrane is slightly acidic, which also removes natural mineral. The 3rd stage of filter solves both issues of conventional RO systems! It balances the alkalinity of RO water and adjusts the PH to more than 7.5. Drinking weakly alkaline water is beneficial to your health. It also restores health-benefiting essential minerals to your water. Frizzlife PD600 produces healthiest and greatest tasting water for you.
No Tank Design: Frizzlife PD600 undersink filtration adopts tankless design. Compact and sleek filter system with a small and convenient footprint takes up less space, saves storage under kitchen sink! No tank also means no more secondary pollution. Guaranteed to provide ultra-pure, safe and clean water for you and your family.
600 GPD High Water Flow: PD600 filter system adopts internal prompt and can produce 600 gallons water per day. High capacity can serve the daily water needs of large family. Water flow is fast and stable, the system can fill a 330ml cup of water in about 10 seconds. Get a full cup of fresh RO water in a snap!
2:1 Low Drain Ratio: Thanks to advanced water-saving technology, Frizzlife PD600 RO system maximizes the efficiency and can save your water up to 450% compared with conventional RO filter systems on market! Being both economic and environmental friendly, it makes your water bills more affordable. Over the life of the system, PD600 RO filter system pays for itself in water savings!
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9.7

Exceptional

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03
Express Water

Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 15 x 5, White

14% Off Free Shipping

9.7 worth the money

9.5 Easy installation

9.5 Taste
Main highlights

Water Purification System: Drink the healthiest water on Earth. All our water filters are specially engineered to work together, producing the safest and best tasting water you'll ever drink
Under Sink Water Filter: Don't waste money on professional installation. Express Water's quick and easy-to-understand design means you can install and understand everything about your new water filtration system
Under Sink Water Filter System: No need to mess with refilling or activating your water filter, Express Water's water filtration systems automatically fill your water tank with high quality drinking water
Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, and more.
On Demand Support: Support from experts who can answer any of your questions about your new water filter
Leak Detection: Each under sink water filter includes an emergency leak stop detector that shuts off water flow when it detects unwelcomed moisture
Help Has Arrived - Support from experts who can answer any of your questions about your home's water
Customizable RO Water Filter System: Express Water home water filtration systems are fully upgradable and customizable with quick connecting fittings. Try additional filtration attachments including UV Water Filter, Alkaline Water Filter, Deionization Water Filter, and more
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9.5

Excellent

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04
iSpring

iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation

9.7 Taste

9.5 worth the money

9.3 Easy installation
Main highlights

TRUSTWORTHY SUPPORT – America’s favorite RO brand, backed by lifetime technical support in Atlanta, GA, ensuring expert assistance whenever you need it.
SEE WHAT’S CAUGHT – The transparent first-stage filter housing makes it easy to monitor contaminant buildup, ensuring timely filter changes.
PATENTED DESIGN – The top-mounted fastener allows for easy countertop installation entirely from above, eliminating the hassle of tightening the nut from underneath the sink.
NSF 58 CERTIFIED RO SYSTEM – Unlike other brands that lack NSF certification or full system certification, our RCC7AK is certified to NSF/ANSI 58 and 372 standards for the entire water filtration system.
MINERAL BOOST – The patent-pending natural mineral AK stage delivers spring water with a balanced, healthy pH and multiple essential minerals.
EFFECTIVE FILTRATION – Reduces TDS (93-98%), PFAS (96-99%), Chlorine (95-99%), Asbestos (>99.7%), Barium (>98.4%), Cadmium (>98.8%), Chromium (>99.2%), Copper (>97.8%), Fluoride (>97.4%), Lead (>98.9%), Selenium (>99.0%), and over 1,000 other contaminants.
EASY INSTALLATION – The RO water system features a DIY-friendly design with quick-fitting connections, a clear manual, and step-by-step videos for a hassle-free setup.
CONVENIENT REPLACEMENT FILTERS - Easy access to replacement filter sets: F4AK (6-Month), F9K (1-Year), F19K75 (2-Year), and F28K75 (3-Year).
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9.4

Excellent

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05
Geekpure

Geekpure 5 Stage Reverse Osmosis Drinking Water Filter System 75 GPD - with Extra 7 Filters

12% Off Free Shipping

9.3 Taste

9.1 worth the money

8.9 Easy installation
Main highlights

System comes with high quality quick connect fittings, color coded tubes, and installation manual for an easy DIY experience, No need professional installation, you can understand everything about your system and install it with our clear, well-organized instructions in a couple of hours.1 year manufacturer warranty, no need registration
System Capacity 75 gallons per day @ 60 psi. Tank Capacity 2.8 gallon, Fits most under sink cabinets, smart size ensures you get pure water every time. RO tube size: 1/4 inches and 3/8 inches. The ratio of pure water and waste water is 1:2. Feed Water Condition: Water Pressure: 40 - 100 psi, Temperate: 40-110°F/5-45°C, PH: 3.0 -11.0, Max TDS: 2000 ppm tap water or well water
Premium quality components ensure high reliability and low maintenance for many years. All tubes, quick push fittings, storage tank, and RO membrane are NSF certificated, to provide healthy and pure water. LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home
Plus extra 7 Filters, Premium long-lasting replacement filters and parts are universal compatible and standard size.
Advanced Reverse Osmosis Technology - Filter Precision 0.0001 micron, Removes up to 98% of contaminants including arsenic, lead, fluoride, mercury, heavy metals and 1000+ contaminants, Experience fresher healthier baby formula, tea and coffee, better tasting foods and crystal clearer ice cubes, great tasting even better than most bottled water
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9.1

Excellent

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06
Waterdrop

Waterdrop G2 Reverse Osmosis System, 7 Stage Tankless RO Water Filter System, Under Sink Water Filtration System, 400 GPD, 1:1 Pure to Drain, Reduces TDS, FCC Listed, USA Tech, WD-G2-W, White

20% Off Free Shipping

9.9 Instruction

9.5 Easy installation

9.5 Taste
Main highlights

𝟕-𝐬𝐭𝐚𝐠𝐞 𝐟𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧 & 𝟒𝟎𝟎 𝐆𝐏𝐃 & 𝟏:𝟏 𝐥𝐨𝐰 𝐝𝐫𝐚𝐢𝐧 𝐫𝐚𝐭𝐢𝐨 & 𝐓𝐚𝐧𝐤𝐥𝐞𝐬𝐬 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐄𝐚𝐬𝐲 𝐢𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧
𝟕 𝐒𝐭𝐚𝐠𝐞 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐞𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞 𝐟𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: The Waterdrop G2 RO System adopts a composite filter result in more effective filtration. The CF filter has a sediment PP membrane and an activated carbon block. It reduces sediment, rust, large particles, colloids, chlorine, fluoride, scale, etc. The MRO filter includes a sediment membrane, a large reverse osmosis membrane, and an activated carbon block. It reduces most contaminants, such as TDS and heavy metals.
𝟒𝟎𝟎 𝐆𝐏𝐃＆𝟏:𝟏 𝐩𝐮𝐫𝐞 𝐭𝐨 𝐝𝐫𝐚𝐢𝐧 𝐫𝐚𝐭𝐢𝐨: The Waterdrop G2 reverse osmosis system offers a fast water flow rate of up to 400 GPD. Get a cup of filtered water in about 12 seconds, satisfying your needs while saving time. Compared to the ordinary RO system, the Waterdrop RO system always has a stable water flow. This tankless RO has a low drain ratio of 1:1 and saves water waste by 300%.
𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐝𝐞𝐬𝐢𝐠𝐧: The advanced integrated design of the electrical and water circuits reduces leakage. The airtight housing reduces noise, while the process of installing and replacing the filter is faster and more convenient than with other filters. Due to the filters’ twist-and-pull design, you can replace them in 3 seconds. The installation of the RO System takes less than 30 minutes. NOTE: An electrical outlet and drilling holes is required to operate it.
𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐭𝐚𝐧𝐤𝐥𝐞𝐬𝐬 𝐝𝐞𝐬𝐢𝐠𝐧: The new filter composition technology employs an excellent filter combination to more efficiently filter out impurities. The tankless design ensures the safety of your family’s drinking water. It also saves over 70% more under-sink storage space than does the ordinary RO system. Note that this reverse osmosis system requires under-sink electricity.
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9.0

Excellent

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07
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

40% Off
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).
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8.9

Very Good

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08
Geekpure

Geekpure 5 Stage Reverse Osmosis Drinking RO Water Filter System 75GPD

20% Off Free Shipping

8.7 worth the money

8.4 Taste

8.2 Easy installation
Main highlights

System comes with high quality quick connect fittings, color coded tubes, and installation manual for an easy DIY experience, No need professional installation, you can understand everything about your system and install it with our clear, well-organized instructions in a couple of hours.1 year manufacturer warranty, no need registration.
System Capacity 75 gallons per day @ 60 psi. Tank Capacity 2.8 gallon, Fits most under sink cabinets, smart size ensures you get pure water every time. RO tube size: 1/4 inches and 3/8 inches. The ratio of pure water and waste water is 1:2. Feed Water Condition: Water Pressure: 40 - 100 psi, Temperate: 40-110°F/5-45°C, PH: 3.0 -11.0, Max TDS: 2000 ppm tap water or well water.
Premium quality components ensure high reliability and low maintenance for many years. All tubes, quick push fittings, storage tank, and RO membrane are NSF certificated, to provide healthy and pure water. LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home.
Premium long-lasting replacement filters and parts are universal compatible and standard size.
Advanced Reverse Osmosis Technology - Filter Precision 0.0001 micron, Removes up to 99% of contaminants including arsenic, chlorine, lead, fluoride, mercury, cadmium, odor, heavy metals, and 1000+ contaminants, Experience fresher healthier baby formula, tea and coffee, better tasting foods and crystal clearer ice cubes, great tasting even better than most bottled water.
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8.8

Very Good

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09
Geekpure

Geekpure 6 Stage Reverse Osmosis Drinking Water Filter System 75 GPD - with Mineral Filter

14% Off Free Shipping

9.5 worth the money

8.0 Taste

8.0 Easy installation
Main highlights

System comes with quick connect fittings, color coded tubing, and videos for an easy DIY experience,Don’t waste money for professional installation ,you can understand everything about your system and install it with our well-organized instructions in a couple of hours
System Capacity 75 gallons per day @ 60 psi.Tank Capacity 2.8 gallon,Fits most under sink cabinets,smart size for ensure you get pure water every time.Pipe Size:1/4 inches and 3/8 inches.Feed Water Condition:Water Pressure: 40 - 100 psi,Temperate:40-110°F/5-45°C,Ph:3.0 -11.0,Max TDS :1000 ppm tap water or well water
Regular Ro system reduce 95% salt,even good mineral to our body, This unit includes an additional 6th stage-Mineral Filter which add healthy various mineral back to pure water,e.g Calcium,Magnesium Sodium ions ,etc
Premium quality components ensure high reliability and low maintenance for many years to come.Tube,quick push fittings, storage tank,Ro membrane is NSF certificated
6-Stage Reverse Osmosis Filters down to 0.0001 micron.Reduce arsenic, nitrates, chlorine, fluoride, lead and more. Experience fresher healthier baby formula,tea and coffee,better tasting foods and crystal clearer ice cubes
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8.7

Very Good

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10
Aquatic Life

Aquatic Life RO Buddie 4-Stage Reverse Osmosis Aquarium Water Filter System RO-DI Filtration Unit for Fish Tank, Fountains, and More, 50 GPD

Free Shipping

9.5 Easy installation

9.5 Simple to use

9.1 worth the money
Main highlights

SUPERIOR WATER QUALITY: This Aquatic Life RO Buddie is a 4-Stage RO/DI water filter system for aquarium; produce up to 50 gallons of filtered water per day with this 50 GPD RO reverse osmosis filter; perfect for smaller aquariums, fountains, humidifiers, and more
MEMBRANE FILTRATION: The RO membrane filter in this RO water filtration system for aquarium reduces Total Dissolved Solids (TDS) from the water down to the ratio of 1 out of 10,000
EFFECTIVE SEDIMENT REMOVAL: The sediment filter in this reverse osmosis aquarium filter system captures sand, silt, and more, which affect the quality and appearance of water
COLOR-CHANGING DEIONIZATION FILTER: The mixed bed deionizing resin in this RO reverse osmosis system employs Cation and Anion beads to remove any remaining TDS from the membrane-filtered water
CARBON BLOCK FILTER: Optimized for reducing chlorine and TDS, the RO Buddie is an excellent choice for most water filtration needs; for specific additives like chloramines, complementary filtration may be necessary
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8.6

Very Good

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