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Pentair Reverse Osmosis System – WaterMart
4.8
- Advanced 4-Stage Filtration
- High Efficiency & 41.05% Recovery Rate
- Delivers 21 Gallons of Pure Water Per Day
- Tool-Free, Quick Cartridge Changes
- NSF/ANSI 42, 53, 58 Certified
- Compact & Space-Saving Design

Free shipping
On all orders

100% Risk free
30 days free trial

5 Year Warranty
On all orders
Reviews About Pentair Water Filtration Systems
Hear What Customer Have to Say
Marissa Bretton
Toronto, Canada
5.0
“Arlyn is very friendly and efficient. She did a wonderful job in fixing our tap and replacing our filter. I’m very pleased.”
Eric Chan
Toronto, Canada
5.0
“Great service and communication, easy process with WaterMart!”
Andrea Webster
Toronto, Canada
5.0
“Was on time and courteous. Did a good job installing.”
Luk Steve
Toronto, Canada
5.0
“Great product First class service! Highly recommended. I purchased a water softner works great and the service is excellent”
Loreto Cristini
Toronto, Canada
5.0
“Zia from WaterMart did an amazing job installing a whole house and reverse osmosis water filtration system in my house.”
Kumiko Imai
Toronto, Canada
5.0
“I recently had a WaterMart technician come to change the filter on our water system and I was really appreciative of the service and process.”
Trusted by Leading Brands & Institutions!
How Our Pentair Reverse Osmosis Water Filter Improves Water Quality
Advanced Filtration for Safer Drinking Water…


Advanced Multi-Stage Filtration Process
The Pentair RO system features an advanced 4-stage filtration method that eliminates up to 99% of the contaminants, including lead, chlorine, and other harmful substances from your tap water.

High Efficiency and Recovery Rates
This system offers a 41.05% recovery rate to minimize water waste while producing the maximum possible output. Furthermore, the state-of-the-art filtration technology ensures top-notch purity, leaving you with pure water ideal for cooking and drinking purposes.

High-Capacity, Consistent Output
The Pentair Reverse Osmosis system is equipped with a substantial capacity that delivers a robust 21 gallons of pure water per day, eliminating waiting around for a refill. The consistent flow rate of our system allows you to enjoy fresh, filtered water for drinking, cooking, gardening, and more.
Core Product Features of the Pentair Reverse Osmosis System
|
Pressure Range |
40 to 100 psi (2.75–6.89 bar) |
|
Temperature Range |
40–100°F (4.4–37.8°C) |
|
TDS Limit <2000 ppm |
<2000 ppm |
|
Maximum Hardness |
<10 gpg (170 mg/L) |
|
Chlorine in Water Supply |
<2 ppm |
|
pH Limits |
3–11 |
|
Overall Dimensions |
14.57″W x 5.46″D x 12.54″H (370mm x 139mm x 319mm) |
|
Weight |
8.9 lbs (4.0 kg) |
|
Tank Capacity |
3.2 gal (12.1 L) |
|
Tank Dimensions |
10.91″DIA x 14.61″H (277mm DIA x 371mm) |
|
Tank Air Pressure Empty |
5-7 psi (0.34-0.48 bar) |
|
Tank Weight (Full) |
25.50 lb (11.6 kg)25.50 lb (11.6 kg)25.50 lb (11.6 kg)25.50 lb (11.6 kg)25.50 lb (11.6 kg) |
|
Certifications |
NSF/ANSI Standard 42, 53, 58 for reducing specific contaminants |
Our Pentair Reverse Osmosis System Ensures Optimal Water Quality
With our Pentair Reverse Osmosis System, you can experience the visible difference in the taste and quality of your tap water, ultimately leading to an improved lifestyle. Our system is proven to remove up to 99% of the contaminants, keeping you and your family in the best of their health.


Improved Taste
Our advanced Pentair water filtration system doesn’t just purify water; it also elevates it.
It features a specialized post-filter that eliminates any lingering odors or impurities that may affect the taste of your water adversely and leaves you with water that’s not just clean, but incredibly refreshing to taste.

Certified Performance
With recognized certifications, we deliver peace of mind.
The Pentair 4-Stage Reverse Osmosis System is rigorously tested and certified by NSF International against NSF/ANSI Standards 42,53, and 58, and is proven to reduce a wide range of harmful contaminants, including arsenic, lead, and cysts. By removing them, you get crystal-clear water and reduced environmental impact.

Low Maintenance Requirements
The Pentair Reverse Osmosis System is incredibly user-friendly and designed with your convenience in mind. With minimal effort, you can enjoy pure water with easy filter access, making replacements a simple task. Our system sends automatic reminders to maintain performance and water quality.

Flexible Installation and Maintenance
Our Pentair RO Filters are specifically designed for easy, under-sink installation that fits effortlessly into your kitchen with accessible components for easy maintenance.
The automatic flush ensures superior performance and increases the life of your system while the quick and easy filter changes deliver a seamless, tool-free experience.

Compact and Space-Saving Design
The compact and sleek design of our Pentair RO System makes installation easy, under your sink. The space-saving design allows for more space without compromising on performance, delivering pure, fresh water for many years to come.
Contaminants Removed by Our Pentair RO Filters
|
General Contaminants |
Chemical Contaminants |
Advanced Chemical Contaminants |
Volatile Organic Compounds (VOCs): |
|---|---|---|---|
|
Dirt |
2,4-D |
Dichloroacetonitrile |
Tetrachloroethylene |
|
Rust |
Dibromochloroproane (DBCP) |
Trichloroacetonitrile |
Toluene |
|
Suspended Particles |
o-dichlorobenzene |
Halo ketones (HK) |
1,2,4-trichlorobenzene |
|
PFAS |
1,2-dichloroethane |
1,1-dichloro-2-propanone |
1,1,1-trichloroethane |
|
Chlorine |
1,1-dichloroethylene |
1,1,1-trichloro-2-propanone |
1,1,2-trichloroethane |
|
Chloramine |
cis-1,2-dichloroethylene |
Heptachlor (H-34, Heptox) |
Trichloroethylene |
|
Lead |
trans-1,2-dichloroethylene |
Heptachlor epoxide |
Trihalomethanes |
|
Aluminium |
1,2-dichloro propane |
Hexachlorobutadiene |
Chloroform |
|
Alachlor |
cis-1,3-dichloropropylenedinosed |
Hexachlorocyclopentadiene |
Bromoform |
|
Atrazine |
Endrin |
Lindane |
Bromodichloromethane |
|
Benzene |
Ethylbenzene |
Methoxychlor |
Chlorodibromomethane |
|
Carbofuran |
Ethylene dibromide (EDB) |
Pentachlorophenol |
Xylenes |
|
Carbon Tetrachloride |
Haloacetonitriles (HAN) |
Simazine |
2,4,5-TP (silvex) |
|
Chlorobenzene |
Bromochloroacetonitrile |
Styrene |
Tribromoacetic acid |
|
Chloropicrin |
Dibromoacetonitrile |
1,1,2,2-tetrachloroethane |
|
|
1,2-dichloropropane |
Certifications

The filter cartridge is tested and certified by NSF international standards against NSF/ANSI standard 42 for material safety requirements only

The filter cartridge is tested and certified by WQA against
NSF/ANSI standard 42 for
material safety requirements only

The filter cartridge is tested and
certified by the Water Quality
Association to WQA/ASPE/ANSI
S-803 for sustainability
Why Choose WaterMart’s Pentair Reverse Osmosis Filters for Water Purity?
We Guarantee Pure, Safe Drinking Water.
At WaterMart, we believe you deserve the cleanest, healthiest water possible with no contaminants and sediments. Our advanced state-of-the-art system is engineered to deliver superior water quality while reducing plastic waste and saving you tons of money.


30 Years of Expertise
We’ve been at the forefront of water purification technology for over three decades now. Our customer satisfaction speaks of our unwavering dedication to quality and commitment. At WaterMart, we believe water is essential to life, and that everyone has a right to get the purest, cleanest water at home that keeps them healthy.

Advanced Certification
We deliver the quality you can always trust.
Our products undergo rigorous quality checks and testing to ensure they adhere to industry standards. We’ve been in the business for over 30 years and are backed by NSF/ANSI that prioritize your health and safety.

Customer Satisfaction
Over 10,000 happy customers trust us…
We’re a trusted name in water treatment solutions that serve thousands of customers every month. Our top-notch quality and phenomenal customer and after-sales services make us the best-selling industry leader in Toronto.
FAQs about Pentair Water Purification Systems
Check out the common questions we get below.












