10 Best reverse osmosis systems for homes in Canada

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Last Updated - 2025/09/18

Best Choice

01
iSpring

iSpring RCC7, NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Water Filter, RO Drinking System, 75 GPD, Brushed Nickel Faucet, Patented Top-Mounted Faucet Design for Easy Installation

10% Off Free Shipping

9.9 Tech Support

9.9 Easy to build

9.5 Taste
Main highlights

[MAINTENANCE & REPLACEMENT SCHEDULE]: Premium quality components ensure highest reliability and low maintenance for many years to come. Clear see-through 1st stage housing of the under sink water filter system makes filter inspection a snap. It is recommended to replace the three pre-filters: every 6 months, RO membrane: every 2-3 years, GAC filter: every 12 months. The replacement filter set can be found in the product details below.
[EASY DO IT YOURSELF INSTALLATION]: Typically in a couple of hours. Refer to manual and our YouTube videos to install this RO filtration system at the main water supply to get clean and healthy water for the entire family. Filter wrench included to make routine filter changes easy and quick. For leak-free installation, simply push tubing ½ inch deep into quick-fitting connectors and lock - no threading pipes needed. 4 gallon metal pressurized tank with up to 3.2 gallon holding capacity.
[CERTIFIED TO NSF/ANSI 58]: High Capacity Reverse Osmosis water filtration for safer, healthier water. This under sink mounted water filter and water softener removes up to 99% of over 1, 000 contaminants, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more. Features a beautiful European-designed brushed nickel all-metal faucet.
[BENEFITS]: Fits under a standard kitchen sink. This water filter for sink helps you experience clean, safe, good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula. Three pre-filters to remove large contaminants and protect RO membrane. RO filter to remove contaminants down to 0. 0001 microns; fine GAC filter to provide final polishing to the purified water.
[100% SATISFIED CUSTOMERS]: RCC7 is backed by iSpring with a 1-year manufacturer warranty upon registration, and lifetime personalized support from Atlanta, GA USA.This RO under sink water system is to deliver endless bottled quality drinking water right in your home for many years to come, eliminating plastic bottles.
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9.8

Exceptional

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02
Geekpure

Geekpure 5 Stage Reverse Osmosis Drinking Water Filter System 75 GPD - with Booster Pump

Free Shipping

9.3 Taste

9.1 Instruction

8.9 worth the money
Main highlights

System comes with high quality 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 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 for ensure you get pure water every time.Pipe Size:1/4 inches and 3/8 inches.The Ratio of pure water and waste water is 1:2.Feed Water Condition:Water Pressure: 15 - 50 psi,Temperate:40-110°F/5-45°C,Ph:3.0 -11.0,Max TDS :2000 ppm tap water or well water last pure water guarantee in your home
Premium quality components ensure highest reliability and low maintenance for many years to come. All tube,quick push fittings, storage tank,Ro membrane is NSF certificated,to provide healthy and pure water. LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home
Designed for use in areas with water pressure lower than 40 PSI,Turn on & off automatically.Plus extra 4 replacement filters, total 9 pieces filters in the box. Standard sized replacement filters
Advanced Technology-Removes up to 98% of contaminants.Including arsenic,lead,fluoride,mercury,heavy metals and 1000+ contaminants. 0.0001 micron.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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9.7

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

13% 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
Geekpure

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

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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9.2

Excellent

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Value for Money

05
VEVOR

VEVOR Reverse Osmosis System, 400 GPD 8-Stage Tankless Reverse Osmosis Water Filter, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS, Lead, Chlorine, Bad Taste, Odor

28% Off Free Shipping
Main highlights

Keep Filters Working Longer: Our reverse osmosis system delivers advanced filtration with twist-in water flow and automatic flushing to reduce sediment buildup and extend filter durability. RO filters last up to 2 years, and PCF filters 1 year. No more frequent changes are needed.
Hassle-free Maintenance: Get instant reminders when it's time to replace filters. Effortlessly change them with a twist-and-pull design without moving the machine. Designed with advanced leak, pump, and temperature protections, our reverse osmosis water filter under sink ensures reliable and secure performance.
Efficient 8-stage Filtration: Our tankless RO system under sink combines the RO filter with a PPC composite filter for 8-stage deep filtration, effectively enhancing water quality. The Sri Lankan coconut shell carbon improves taste. Note: A slight delay between faucet activation and water flow is expected for tankless RO systems.
Compact Tankless System: Compact at 15.63 x 5.39 x 13.66 in (397 x 137 x 347 mm), our tankless reverse osmosis system saves 75% of under-sink space and avoids water contamination. With a seamless design for leakage reduction and quick 30-minute installation, it's the quiet, efficient solution for your home or restaurant kitchen.
2:1 Pure to Drain: Our under sink reverse osmosis system optimizes household water use with 400 GPD capacity and 2:1 pure-to-waste water ratio, conserving 800% more water. The reliable 304 stainless steel faucet fits holes sized 1/4" inner and 11/4" outer.
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9.1

Excellent

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06
Geekpure

Geekpure 6 Stage Reverse Osmosis Drinking Water Filter System 75 GPD - with Alkaline PH+ Filter

14% Off Free Shipping

9.1 worth the money

9.1 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 produces slightly acidic water pH at 5-6.5. This unit includes an additional 6th stage-Alkaline Remineralization filter which adjust PH of pure water to 7.5-8.5,Adds Calcium, magnesium, sodium and potassium ions back to the Ro water
Premium quality components ensure high reliability and low maintenance for many years to come. Ro membrane, tube,quick push fittings, storage tank is NSF certificated
6-Stage Reverse Osmosis Drinking Water Filter System,Reduce Total Dissolved Minerals,Arsenic,Lead,Mercury,Fluoride,Cadmium and more.Experience fresher healthier water for tea and coffee,better tasting foods and crystal clearer ice cubes
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9.0

Excellent

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07
Geekpure

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

24% 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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8.9

Very Good

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08
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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8.8

Very Good

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09
Geekpure

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

System comes with high quality 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
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
All filters and parts is universal compatible and standard size
5-Stage Reverse Osmosis RO Drinking Water Filter System,Effectively reduces arsenic,lead,fluoride,cadmium,heavy metals .Filters down to 0.0001 micron.Experience fresher healthier baby formula,tea and coffee,better tasting foods and crystal clearer ice cubes
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8.5

Good

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10
COMFEE'

COMFEE’ CMP10 5-Stage Reverse Osmosis System, NSF Certified Water Filter for Under Sink, Ultra Safe Drinking Water Filtration System, Leak-Free RO System, 75 GPD

Free Shipping
Main highlights

[ Excellent Sealing & Easy Installation ]: The double O-Rings offer excellent sealing for leak-free filter housing connection and the quick-fit connectors for easy pipe connection. By using the step-by-step written instruction and tutorial video, the installation of COMFEE’ 5 stage reverse osmosis system will be simple and only requires basic plumbing knowledge.
[ Certified & Lead-Free Materials ]: The COMFEE’ water filter system uses lead-free materials, certified by NSF372, in all water-contacting parts of the purification system, including the water faucet, and water path, and water tank. COMFEE' water filtration system is ideal for people who want lead-free water right at home. Note: If the water pressure is below 0.25Mpa and the water temperature is below 25℃, the GPD will be reduced to 50.
[ American Professional Customer Service ]: As one of the most customer-centric companies in the world, COMFEE' commits to giving the highest level of product and service to every person. Call us anytime when you have any questions, our American professional customer service team will give you a fast response and solution.
[ 20-Year Professional Experience ]: COMFEE’ has 20 years of experience as a professional water treatment manufacturer dedicated to R&D and manufacturing. Enjoy fresh-taste water even better than most bottled water with COMFEE' reverse osmosis system and use the great-quality water for making delicious coffee, crystal-clear ice and healthy baby formula every time you turn on the faucet.
Noted: Iteration of new and old products, transparent and opaque random distribution[ Reverse Osmosis System ]: COMFEE’ 5 stage reverse osmosis system effectively filters out heavy metals (e.g. Lead, Cadmium, and Chrome), organic matter, harmful substances, and 1000+ impurities, with a precision of 0.0001 microns. The RO water filter system gives you clear, clean, odorless water with a TDS reduction rate which is more than 90%.
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8.3

Good

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