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Whole House Ws1 GAC Carbon Filter

Name: Tankless Reverse Osmosis System
Brand: Watermart
Price: 1599.00 CAD
Availability: InStock
Rating: 5.0 (1024 reviews)

4.8

Whole House Filtration for Clean Water
Removes Chlorine, VOCs & Harmful Chemicals
High-Grade Coconut Shell Carbon for Purity
Self-Cleaning & Easy Maintenance
Protects Appliances & Plumbing
Made in the USA with Certified Quality

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Free shipping

On all orders

100% Risk free

30 days free trial

5 Year Warranty

On all orders

Reviews

Hear What Customer Have to Say

M.B

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.”

E.C

Eric Chan

Toronto, Canada

5.0

“Great service and communication, easy process with Watermart!”

A.W

Andrea Webster

Toronto, Canada

5.0

“Was on time and courteous. Did a good job installing.”

L.S

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”

L.C

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.”

M.J

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!

Key Features Of Our Whole House Ws1 GAC Carbon Filter

Designed with a self-cleaning mechanism, the WS1 GAC Carbon Filter ensures consistent performance.

Advanced Chemical Filtration

Using high-grade activated coconut shell carbon, our whole house water filtration system reduces chlorine, chemical by-products, and much more to deliver cleaner, healthier, and pure water throughout your home.

Superior Water Quality

Water free from all the contaminants is free from unpleasant tastes and odors. Ideal for drinking, cooking, bathing, and washing clothes.

Self-Cleaning, Easy-Maintenance

Our whole house water filters feature a self-cleaning mechanism to ensure optimal and consistent performance, offering hassle-free maintenance and long-lasting purity.

Excellent Add-On to Restore Essential Minerals.

Reverse osmosis systems can strip healthy minerals from your water.

But you can reintroduce vital minerals, such as calcium, magnesium, and potassium, back into your filtered water to enjoy pure, healthy, and alkaline water anytime you want by adding one filter to restore essential minerals.

Benefits of Alkaline Water

Your body tends to absorb alkaline water more readily, which promotes optimal hydration. Alkaline water helps neutralize excess acidity in your body, which supports overall health and well-being. Above all, alkaline water offers antioxidant properties that help protect your cells from damage.

Core Product Features of the Whole House Ws1 Gac Carbon Filter

Our whole home filtration system prevents scale and sediment buildup that can damage your washing machine, dishwasher, coffee maker, and water heater, allowing your appliances to operate at peak performance.
Our whole home filtration systems are proudly and solidly made in the USA. As a local business, we support local manufacturing and ensure the highest standards of quality and craftsmanship in our products.
Enjoy the benefits of pure, filtered water throughout your home for a fraction of the cost of bottled water or expensive repairs or replacements. Watermart’s whole house filter systems are a smart investment in your health and your home.
Our advanced carbon filter targets and eliminates chlorine, VOCs, and other contaminants that can affect the taste, odor, and safety of your water. With Watermart’s whole house filters, enjoy complete peace of mind knowing your family is drinking and using the purest water possible.

Filtration Media	High-grade activated coconut shell carbon for optimal absorption.
Flow Rate	Up to 10 gallons per minute (GPM), suitable for average home use.
Capacity	Filters up to 1,000,000 gallons of water before media replacement.
Filtration Method	Chemical absorption to reduce chlorine, pesticides, herbicides, and other harmful chemicals.
Self-Cleaning Mechanism	Automatically, cleans the system to maintain consistent performance.
Bypass Valve	Easy-to-operate valve for simple maintenance and operation.
Installation Type	Installed at the point of entry to filter all household water.
Warranty	Comprehensive, hassle-free warranty for peace of mind.
Dimensions	The compact design fits most standard home installations.
Made in the USA	Built with durable, high-quality materials for long-lasting performance.

Our Vigorous 5-Stage Filtration Delivers The Purest Water Possible.

The innovative tankless RO water filtration system features multistage filtration, suitable for global water.
With high-quality and precision filter elements, it removes harmful pollutants, including bacteria, viruses, and heavy metals.
The 5-stage filtration process ensures the quality of your water is 99% pure and pristine.

Schedule Your Free Water Consultation

Pre-Filter

Removes larger particles, such as rust, silt, and dirt to prevent clogging and improve the efficiency of your system

Central Purifier

Eliminates contaminants as tiny as 0.01 microns, ensuring your water is free from harmful bacteria, viruses, and other impurities

Central Water Softener

Removes scale buildup; calcium and magnesium ions, and improves the appearance of your home appliances. Also, improves your skin and hair texture

Under Sink Water Filter

Enhances the taste and quality of your drinking water and makes it perfect for beverages and cooking purposes

Dispenser

Delivers instant hot water for your cup of coffee or tea. Simply press a button and you’re good to go!

Tankless Reverse Osmosis System Vs Tank—Which Is Better?

If you’re planning to switch to a Reverse Osmosis System, one of the major decisions is whether to go for a traditional tank-based system or a tankless systems.  

Tank-based and modern tankless systems have their own pros and cons, depending on your needs.

Here’s how to choose the right system for your home.

Product Size	459×160×443mm
Power	120W
Faucet	with smart water faucet(can show the TDS value, filter life)
Power Supply	100-240v～50/60Hz
Feed Water Source	Municipal tap water
Pure water flow	800GPD(2.23L/min)
Working Pressure	0.1-0.4Mpa(14.5-58psi)
Inlet/Outlet size	1/4″
Flush Method	Auto flush
Filtration Type	PPC+RO+CPF(C+PP),(alkaline ilter or mineral water filter)
Filtration Accuracy	0.0001μm
App-Controlled	Yes
Type	Under-Sink
Pure water flow	800GPD(2.1L/min)
Water temperature	5℃~38℃

Control Your Water Quality with Smart Faucet

Get real-time information about the quality of your water with our smart faucet equipped with TDS monitoring technology.
With this, you can also:

Keep a close eye on your water’s purity and take immediate action if TDS levels rise
Get a sense of security and reassurance that your quality of water is maintained
Detect early problems with your system or water source
Make informed decisions about when to use filtered water for drinking, cooking, or other purposes

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

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?

30 Years of Expertise

For three decades, we’ve been a leader in the water filtration industry. Our extensive experience calls for unique water challenges in your area to provide the perfect solution for your home.

Customer Satisfaction

We’re so confident in the quality of our products and services that we back them with a commitment to your complete satisfaction. We’re here to answer your questions, address your concerns, and ensure you’re completely happy with your system and our installation services.

Advanced Certification

Our certified installers are experts in their field with the knowledge and tools to install and service your system with care.

Upgrade to WaterMart Water Filters Today!

Buy a water test kit

Reviews

“Arrived on Time, Worked Diligently.…

“We recently had a reverse osmosis system installed by Watermart. The installer Zia was excellent – arrived on time, worked diligently and clearly explained initial procedures to follow post installation. Happy to have a water filter system installed for our family.“

Victor Cotic

“So knowledgeable and Patient…

“Justin from Watermart came and serviced our reverse osmosis water system. He was so knowledgeable and patient with all our questions. What a pleasure to have someone like Justin come to our home. WaterMart is lucky to have him.”

Sherry Sherry

“I Would Highly Recommend…

“Kamran and Zia were very friendly and answered all of my questions. They came in to do the annual service for my reverse osmosis filter system.
I highly recommend Watermart to anybody that wants high quality drinking water.”

Kyle Santos

“I Would Highly Recommend…

“Highly recommend WaterMart for reverse osmosis service. Zia was great! He was on time, explained everything to me, and made recommendations for what we needed and would work best for our system. He was also lovely to our cat!
Thanks for your help Zia! Looking forward to seeing you at the next service call :-)”

Chloé Bayliss

“Very Helpful and Knowledgeable…

“We ordered service to replace water tank for our RO filter system, the old tank got ruptured bladder. The service technician – Justin – came right on time, was very helpful and knowledgeable. Replaced the tank, gave some good advices and recommendation. Would definitely use them again if needed ! Thank you Justin !”

Anas Dabbakh

“I Would Highly Recommend!…

“We have had 2 installations through Watermart, each for both a reverse osmosis filter and water softener. Our recent installation was performed by Zia and he was amazing. They came quickly as we just moved, and completed the work with the utmost of courtesy and professionalism. Highly recommend this company!”

Bernard Ockrant

Featuring Our New tankless reverse osmosis water filter system

Pure Water, Pure Peace of Mind…

Your Only Water Filtration Solution

Our Green 2:1 tankless RO water filter system is more than just a water filter; it’s a commitment to your health and overall physical and mental well-being. With its advanced reverse osmosis technology, our tankless RO water filter system delivers 99% water purification, surpassing all other options on the market.

Save Money, Save the Planet

Our advanced system features a 2:1 low drain ratio, meaning you’ll produce significantly less wastewater than traditional RO systems. This cannot only save an average family of 4 up to $200 per year in water bills but also contribute to a healthier environment.

800 GPD Flow Rate—16x More than Traditional Reverse Osmosis Systems

Imagine the convenience of our tankless RO system that delivers an impressive flow rate of 800 gallons per day (GPD); a remarkable 16 times faster than traditional RO systems. This means you can enjoy a constant supply of clean, filtered water without waiting.

Excellent Add-On to Restore Essential Minerals.

Reverse osmosis systems can strip healthy minerals from your water.

Benefits of Alkaline Water

Core Product Features

This product features a strontium-rich-post-carbon filter that provides enhanced filtration and pure, alkaline water that is rich in essential minerals.
Smart faucet technology to monitor water quality and filter life in real-time
A generous flow rate of 800 gallons per day of pure, clean, and filtered water
App-controlled convenience to manage the system settings and monitor performance through our user-friendly app

Product Size	459×160×443mm
Power	120W
Faucet	with smart water faucet(can show the TDS value, filter life)
Power Supply	100-240v～50/60Hz
Feed Water Source	Municipal tap water
Pure water flow	800GPD(2.23L/min)
Working Pressure	0.1-0.4Mpa(14.5-58psi)
Inlet/Outlet size	1/4″
Flush Method	Auto flush
Filtration Type	PPC+RO+CPF(C+PP),(alkaline ilter or mineral water filter)
Filtration Accuracy	0.0001μm
App-Controlled	Yes
Type	Under-Sink
Pure water flow	800GPD(2.1L/min)
Water temperature	5℃~38℃

Our Vigorous 5-stage tankless RO water filtration system Delivers The Purest Water Possible

The innovative tankless RO water filtration system features multistage filtration, suitable for global water. With high-quality and precision filter elements, it removes harmful pollutants, including bacteria, viruses, and heavy metals. The 5-stage filtration process ensures the quality of your water is 99% pure and pristine.

Pre-Filter

Removes larger particles, such as rust, silt, and dirt to prevent clogging and improve the efficiency of your system

Central Purifier

Eliminates contaminants as tiny as 0.01 microns, ensuring your water is free from harmful bacteria, viruses, and other impurities

Central Water Softener

Removes scale buildup; calcium and magnesium ions, and improves the appearance of your home appliances. Also, improves your skin and hair texture.

Under Sink Water Filter

Removes larger particles, such as rust, silt, and dirt to prevent clogging and improve the efficiency of your system

Dispenser

Delivers instant hot water for your cup of coffee or tea. Simply press a button and you’re good to go!

Tankless Reverse Osmosis System Vs Tank—Which Is Better?

If you’re planning to switch to a Reverse Osmosis System, one of the major decisions is whether to go for a traditional tank-based system or a tankless systems.

Tank-based and modern tankless systems have their own pros and cons, depending on your needs.

Here’s how to choose the right system for your home.

	Space Saving Design
Tankless RO System	It is a compact and sleek design without a storage tank. Ideal for homes with limited space.
Tank-based RO System	It requires a storage tank and takes up significant space under your sink
	Water Purity
Tankless RO System	Freshly filtered water is delivered on demand with minimal risk of contamination.
Tank-based RO System	If not maintained timely, the water stored in tanks may risk bacterial growth.
	Filtration Speed
Tankless RO System	An advanced filtration system allows for faster filtration speed and no reliance on tanks.
Tank-based RO System	It heavily relies on filling a tank over time. Therefore, it offers slower filtration speed.
	Installation & Maintenance
Tankless RO System	Easy installation with low maintenance
Tank-based RO System	Complex installation and requires regular cleaning of the tank
	Cost-efficiency
Tankless RO System	Higher initial investment with long-term cost savings
Tank-based RO System	Affordable with low initial investment
	Water Waste
Tankless RO System	Water-efficient and eco-friendly option
Tank-based RO System	Wastes more water during filtration

Control Your Water Quality with our Smart Reverse Osmosis System faucet

Get real-time information about the quality of your water with our smart faucet equipped with TDS monitoring technology.
With this, you can also:

Keep a close eye on your water’s purity and take immediate action if TDS levels rise

Get a sense of security and reassurance that your quality of water is maintained

Detect early problems with your system or water source

Make informed decisions about when to use filtered water for drinking, cooking, or other purposes.

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	Haloketones (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-dichloropropane	Hexachlorobutadiene	Chloroform
Alachlor	cis-1,3-dichloropropylenedinosedb	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

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?

Our advanced tankless reverse osmosis system is certified against NSF/ANSI 42 for material safety requirements and NSF/ANSI 58 for TDS reduction. The methoxychlor and lindane reduction rate of Watermart’s reverse osmosis system is up to 99%.

30 Years of Pure Excellence

For over three decades, Watermart has been a trusted name in water filtration and purification. Our commitment to quality and customer satisfaction has earned us a reputation as a leading industry expert.

Third-Party Certified

We maintain the highest industry standards, ensuring that our products meet superior quality and safety requirements. Our certifications provide you with peace of mind and confidence in your purchase.

Serving Over 10,000 Satisfied Customers

Join the thousands of satisfied customers who have experienced the benefits of Watermart’s innovative products and exceptional service over 30 years.

Sleep Soundly & Live Happily with Noise-Free Water Filtration

Unlike other tankless RO systems, our tankless system offers remarkably low noise levels, typically below 50 decibels for a peaceful environment, better sleep, and reduced stress, creating a more peaceful and relaxing atmosphere.

Schedule a FREE Water Consultation

FAQs

Check out the common questions we get below.

A whole house water filter is installed on your main entry point of the house that filters all the water entering your home. This means you get cleaner and filtered water in your tap, shower, and kitchen.

The WS1 GAC carbon filter effectively reduces chlorine, foul taste, odor, harmful chemicals, herbicides, VOCs, and other contaminants using activated coconut shell carbon.

The filter is installed at your home’s main water line (point of entry) by our certified installers.

It’s a high-quality filtration media because of its superior absorption capabilities to remove various harmful contaminants, including chlorine, lead, pesticides, hormones, and many other harmful substances.

Still Have Question?

Free shipping

100% Risk free

5 Year Warranty

Whole House Ws1 GAC Carbon Filter

Free shipping

100% Risk free

5 Year Warranty

Reviews

Trusted by Leading Brands & Institutions!

Key Features Of Our Whole House Ws1 GAC Carbon Filter

Advanced Chemical Filtration

Superior Water Quality

Self-Cleaning, Easy-Maintenance

Excellent Add-On to Restore Essential Minerals.

Reverse osmosis systems can strip healthy minerals from your water.

Benefits of Alkaline Water

Core Product Features of the Whole House Ws1 Gac Carbon Filter

Our Vigorous 5-Stage Filtration Delivers The Purest Water Possible.

Pre-Filter

Central Purifier

Central Water Softener

Under Sink Water Filter

Dispenser

Tankless Reverse Osmosis System Vs Tank—Which Is Better?

Tank-based and modern tankless systems have their own pros and cons, depending on your needs.

Here’s how to choose the right system for your home.

Control Your Water Quality with Smart Faucet

Why Choose Watermart?

30 Years of Expertise

Customer Satisfaction

Advanced Certification

Upgrade to WaterMart Water Filters Today!

Reviews

Featuring Our New tankless reverse osmosis water filter system

Your Only Water Filtration Solution

Save Money, Save the Planet

800 GPD Flow Rate—16x More than Traditional Reverse Osmosis Systems

Excellent Add-On to Restore Essential Minerals.

Reverse osmosis systems can strip healthy minerals from your water.

Benefits of Alkaline Water

Core Product Features

Our Vigorous 5-stage tankless RO water filtration system Delivers The Purest Water Possible

Pre-Filter

Central Purifier

Central Water Softener

Under Sink Water Filter

Dispenser

Tankless Reverse Osmosis System Vs Tank—Which Is Better?

Control Your Water Quality with our Smart Reverse Osmosis System faucet

Why Choose Watermart?

30 Years of Pure Excellence

Third-Party Certified

Serving Over 10,000 Satisfied Customers

Sleep Soundly & Live Happily with Noise-Free Water Filtration

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