10 Best reverse osmosis for drinking water in Canada

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Last Updated - 2025/05/29

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01
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

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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.
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9.9

Exceptional

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02
iSpring

iSpring RCC7AK-BLK, NSF/ANSI 58 Certified, Alkaline 6-Stage Reverse Osmosis System with Stylish Black RO Faucet, pH+ Remineralization RO Water Filter System Under Sink

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Main highlights

Our NSF Certification validates the entire filtration system's performance, setting us apart from competitors that certify only components or materials.
Low Maintenance: Designed for simplicity and durability, our system features a transparent 1st stage housing for quick visual inspection. We provide three pre-filters to eliminate large contaminants and safeguard the RO membrane, which removes contaminants down to 0.0001 microns. A fine GAC filter provides the finishing touch for filtered water, and the AK filter restores minerals and natural alkalinity. The end result is great-tasting bottled-water quality.
Efficient Impurity Reduction: This reliable Reverse Osmosis water filtration system converts the water into clean, pure and healthy drinking water by removing up to 99% of over 1,000 harmful contaminants like sediment, vinyl chloride, chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium and more.
DIY Installation with Leak-Protection: The RO water filter system is designed for DIY installation and all necessary parts for installation are included. It is backed by a clear installation manual, instructional videos, and access to lifetime technical support. For leak-free installation, simply push tubing ½” deep into quick-fitting connectors and lock; no threading pipes needed. Note: Please ensure the system fits your under-sink area before purchasing.
Certified by NSF/ANSI 58 - The iSpring reverse osmosis system is tested and certified by NSF International against NSF/ANSI to standard 58 for reduction of Asbestos (>99.7%), Barium (98.4%), Cadmium (98.8%), Chromium (99.2%), Copper (97.8%), Fluoride (97.4%), Lead (98.9%), Selenium (99.0%), TDS (97.9%)
Alkaline Filtration with Sleek Black Faucet: This advanced 6-stage alkaline remineralization filter has been exclusively designed to restore the natural alkalinity and mineral balance of water, which gives your water a more natural taste than regular 5 stage RO water filter. The system comes with a stylish black-colored RO faucet that not only enhances your kitchen's style but also adds a touch of sophistication to your home.
100% SATISFIED CUSTOMERS: Register for a 1-year limited manufacturer warranty and receive ongoing personalized support from GA, USA. Featuring premium components, this water filter guarantees an everlasting supply of top-tier bottled-quality drinking water at your fingertips, promoting a plastic-free future.
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9.8

Exceptional

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Value for Money

03
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

13% 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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9.7

Exceptional

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04
Geekpure

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

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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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9.4

Excellent

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05
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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9.2

Excellent

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06
Geekpure

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

18% 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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9.1

Excellent

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07
Geekpure

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

18% 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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9.0

Excellent

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08
FRIZZLIFE

Frizzlife Reverse Osmosis System - Tankless 400 GPD Drinking Water Filtration System, Quick Twist Under Sink RO Filter - 1.5 : 1 Pure to Drain - Reduce TDS, Compact Footprint, USA Tech Support, PD400

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9.1 Taste

8.9 Easy installation

8.7 worth the money
Main highlights

[Top Tier Filtration Performance] Adopting composite pre-filter and RO membrane with highest filtration precision at 0.0001 micron, PD400 under sink reverse osmosis water filtration system induces a deep 5-stage filtration mechanism that can eliminate more than 1000+ kinds of harmful contaminants (99.99%) from water including Lead, Chlorine, Fluoride, Heavy metals, Chloramine, VOCs, TDS, Limescale, Arsenic and Asbestos and more. A TDS meter is also included in the package. You know your water!
[MULTI-USAGE] The system can serve both your sink and refrigerator at the same time by using Frizzlife IMC-1 Ice Maker Kit. To solve the common problem of unstable water pressure when connected to refrigerators, Frizzlife will launch a mini tank that is typically designed for tankless RO systems. The mini tank also addresses the initial lag of the water outflow of the water filter systems. Get instant crispy and tasty pure water from home. No more bottled water!
[Low Drain Ratio & Ultra Long Service Life] The RO water filtration system has a remarkable low drain ratio at 1.5:1(pure: drain), saving up to 450% of water when compared to conventional ones(1:3). With a high capacity of 400 gallons per day, the tankless RO water filter system produces instant fresh pure water to the provided lead-free faucet, filling a cup of water within 12 sec. Two huge filter cartridges loaded, the service life of the system is ultra-long, costing only $0.2 per day!
[Innovative Tankless Design] Different from conventional RO systems, Frizzlife PD400 reverse osmosis system has an impact design without a bulky tank. It saves up to 70% of space and perfectly fits most standard US cabinets. No more secondary pollution shall be worried due to unventilated tank! Additionally, the integrated water cycle board guarantees the RO water filter from water leakage.
[DIY Intallation & Replacement] Compatible with most standard US kitchens(1/2”& 3/8”). Comes with a comprehensive manual, a quick guide, and a step-by-step instructional video, the integrated purification system is easy to install. Everything needed is included, no plumber required! The replacement takes only 2 sec with a TWIST-IN cartridge design. A smart filter life indicator will beep to remind you when it’s time to change! Search ASR211 &ASR212-400 for replacement filters.
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8.9

Very Good

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09
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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8.8

Very Good

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10
Geekpure

Geekpure 6 Stage Reverse Osmosis Drinking Water Filter System 75 GPD - with DI Filter TDS Close to 0

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9.5 worth the money

9.1 Taste

8.0 Easy installation
Main highlights

This unit includes an additional 6th-stage Deionization Filter-Mixed bed DI filter is used to further remove TDS from membrane filtered water. It is a high capacity mixed bed ion exchange resin, guaranteed TDS value close 0 ppm. Premium long-lasting replacement filters and parts are universal compatible and standard size.
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.
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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8.5

Good

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