10 Best 5 stage reverse osmosis water filter system in Canada

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Last Updated - 2026/04/02

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

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

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.
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
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
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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Value for Money

03
Geekpure

Geekpure Replacement Universal Filter Set with 75 GPD Membrane for Standard 5 Stage RO System (5 Count)

18% Off

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

STANDARD-Fits all standard sized under counter ro systems,includes Ispring,Watts,Premier,Flowmatic,PuROLine,Crystal Quest, Apec, and more brands
RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA)
GOOD PACKING-All Filters are individually wrapped&sealed and extend shelf life
5 FILTERS-Includes (1)PP Sediment (1)Gruanlar Activated Carbon ,(1) Carbon Block Filters,(1)75GPD Ro Membrane and (1) Post inline Carbon Filter to protect and extend the life of the RO system.(2)1/4" Quick fitting and (1) teflon seal tape is included too.
10 INCH-Universal Compatible standard 10" reverse osmosis pre-filter replacement cartridges,size:2.5"OD x 10" height,membrane is 1.8”x12”.
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9.6

Exceptional

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04
Geekpure

Geekpure Replacement Universal Filter Set with 75 GPD Membrane for Standard 5 Stage RO System (5 Count)

18% Off

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

STANDARD-Fits all standard sized under counter ro systems,includes Ispring,Watts,Premier,Flowmatic,PuROLine,Crystal Quest, Apec, and more brands
RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA)
GOOD PACKING-All Filters are individually wrapped&sealed and extend shelf life
5 FILTERS-Includes (1)PP Sediment (1)Gruanlar Activated Carbon ,(1) Carbon Block Filters,(1)75GPD Ro Membrane and (1) Post inline Carbon Filter to protect and extend the life of the RO system.(2)1/4" Quick fitting and (1) teflon seal tape is included too.
10 INCH-Universal Compatible standard 10" reverse osmosis pre-filter replacement cartridges,size:2.5"OD x 10" height,membrane is 1.8”x12”.
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9.5

Excellent

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05
Geekpure

Geekpure Replacement Universal Filter Set with 50 GPD Membrane for Standard 5 Stage RO System (5 Count)

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

The 5th stage: Post inline acid washed coconut carbon filter, Polish water for refined taste. life time:12months,Inlet/outlet :1/4" thread
The 4th stage:Reverse Osmosis Membrane, 0.0001 micron,Reduce TDS,arsenic ,lead, fluoride, heavy metals and more. life time:15-24months
The 3rd stage: Carbon block filter, 5 micron, Reduce chlorine, taste & odors, very fine particulates. life time:6-12months
The 2nd stage: Granular activited carbon filter, 5 micron,reduce chlorine, taste & odors, very fine particulates. life time:6-12months
The 1st stage filter-PP spun filter, 5micron,Remove sand, dirt, sediment
Standard 10" reverse osmosis replacement filter cartridges set,size:2.5"OD x 10" height,Fits standard sized 5 or 6 stage reverse osmosis systems
Professional Manufacturer with 20+ Years of Expertise | 24/7 Technical Support
Pack of 8-Includes (1)PP Sediment ,(1)Gruanlar Activated Carbon ,(1) Carbon Block Filter,(1)100 GPD Reverse Osmosis Membrane, (1) Post inline Carbon Filter.(2) 1/4"NPT quick fittings, (1) Roll Teflon seal tape.NOTE: THE LAST STAGE POST CARBON IS 1/4"NPT THREAD INLET AND OUTLET
NSF certificated RO membrane filter, Reduce Total Dissolved Minerals,Arsenic,Lead,Mercury,Fluoride and more,DO NOT FREEZE,Please note to flush new membrane 30 minutes
All Filters are individually wrapped & sealed to extend shelf life,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.Life time depends on Usage Amount and Feed Water Quality
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9.4

Excellent

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06
Geekpure

Geekpure Replacement Universal Filter Set with 50 GPD Membrane for Standard 5 Stage RO System (5 Count)

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

The 5th stage: Post inline acid washed coconut carbon filter, Polish water for refined taste. life time:12months,Inlet/outlet :1/4" thread
The 4th stage:Reverse Osmosis Membrane, 0.0001 micron,Reduce TDS,arsenic ,lead, fluoride, heavy metals and more. life time:15-24months
The 3rd stage: Carbon block filter, 5 micron, Reduce chlorine, taste & odors, very fine particulates. life time:6-12months
The 2nd stage: Granular activited carbon filter, 5 micron,reduce chlorine, taste & odors, very fine particulates. life time:6-12months
The 1st stage filter-PP spun filter, 5micron,Remove sand, dirt, sediment
Standard 10" reverse osmosis replacement filter cartridges set,size:2.5"OD x 10" height,Fits standard sized 5 or 6 stage reverse osmosis systems
Professional Manufacturer with 20+ Years of Expertise | 24/7 Technical Support
Pack of 8-Includes (1)PP Sediment ,(1)Gruanlar Activated Carbon ,(1) Carbon Block Filter,(1)100 GPD Reverse Osmosis Membrane, (1) Post inline Carbon Filter.(2) 1/4"NPT quick fittings, (1) Roll Teflon seal tape.NOTE: THE LAST STAGE POST CARBON IS 1/4"NPT THREAD INLET AND OUTLET
NSF certificated RO membrane filter, Reduce Total Dissolved Minerals,Arsenic,Lead,Mercury,Fluoride and more,DO NOT FREEZE,Please note to flush new membrane 30 minutes
All Filters are individually wrapped & sealed to extend shelf life,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.Life time depends on Usage Amount and Feed Water Quality
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9.3

Excellent

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07
Geekpure

Geekpure Replacement Universal Filter Set with 100 GPD Membrane for Standard 5 Stage RO System (5 Count)

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

Universal compatible standard reverse osmosis replacement filter cartridges 10 inch, size:2.5 inch OD x 10 inch high. Suitable for most standard size 5 or 6 stage reverse osmosis systems.
Pack of 8. [1 x PP sediment filter, 1 x granular activated carbon filter, 1 x carbon block filter, 1 x Ro 100 gpd membrane, 1 x Post inline carbon filter, 2 x Quikc fittings, 1 x adhesive tape] -NOTE: THE LAST STEP POST CARBON IS IN AND OUT THREAD TEE 1/1 4" NPT
NSF certified RO membrane filter up to 0.0001 micron, reduces 99% of contaminants including arsenic, lead, mercury, fluoride, cadmium and more than 1000 contaminants to provide healthy, safe and pure water.
ISO9001:2008 certified manufacturer, also member of Water Quality Association (WQA), 30-day money back guarantee, please rinse new filters 30 minutes
All filters are individually packed and sealed and extend shelf life, 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
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9.2

Excellent

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08
Geekpure

Geekpure Replacement Universal Filter Set with 100 GPD Membrane for Standard 5 Stage RO System (5 Count)

9.1 Easy installation

8.9 worth the money

8.7 Taste
Main highlights

Universal compatible standard reverse osmosis replacement filter cartridges 10 inch, size:2.5 inch OD x 10 inch high. Suitable for most standard size 5 or 6 stage reverse osmosis systems.
Pack of 8. [1 x PP sediment filter, 1 x granular activated carbon filter, 1 x carbon block filter, 1 x Ro 100 gpd membrane, 1 x Post inline carbon filter, 2 x Quikc fittings, 1 x adhesive tape] -NOTE: THE LAST STEP POST CARBON IS IN AND OUT THREAD TEE 1/1 4" NPT
NSF certified RO membrane filter up to 0.0001 micron, reduces 99% of contaminants including arsenic, lead, mercury, fluoride, cadmium and more than 1000 contaminants to provide healthy, safe and pure water.
ISO9001:2008 certified manufacturer, also member of Water Quality Association (WQA), 30-day money back guarantee, please rinse new filters 30 minutes
All filters are individually packed and sealed and extend shelf life, 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
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9.1

Excellent

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09
Watts Premier

Watts Premier 500024 7-PK RO Filters Premier 1-Year 5-Stage Reverse Osmosis Replacement Filter Kit

14% Off

9.5 Easy installation

9.5 worth the money

9.3 Taste
Main highlights

NSF Certified
Kit contains 1 year's worth of replacement filters
High-quality replacement water filters
Features two 10-inch sediment filter, four 10-inch carbon block filters, and one 10-inch polishing filter
Compatible with all standard RO and filtration systems
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9.0

Excellent

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10
Watts Premier

Watts Premier 500024 7-PK RO Filters Premier 1-Year 5-Stage Reverse Osmosis Replacement Filter Kit

14% Off

9.5 Easy installation

9.5 worth the money

9.3 Taste
Main highlights

NSF Certified
Kit contains 1 year's worth of replacement filters
High-quality replacement water filters
Features two 10-inch sediment filter, four 10-inch carbon block filters, and one 10-inch polishing filter
Compatible with all standard RO and filtration systems
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8.9

Very Good

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