S1 Replacement Cartridge

5.0 reviews
CA$89.00

Transform your shower with the S1 Replacement Cartridge. Perfect for city water, it uses Activated Carbon Fiber (ACF) technology to reduce up to 98% of over 80 contaminants, including chlorine and heavy metals commonly found in city water. With its sleek ergonomic design, the S1 delivers premium filtration, strong water flow, and minimal maintenance, offering a 1-year capacity for a cleaner, more refreshing shower experience.

Flexible financing options available at checkout for approved applicants. See Details.

Helps reduce dryness and iritation caused by chlorine and heavy metals
Independently tested to reduce up to 98% of 80 common contaminants.
Built to meet leading global certification benchmarks.
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Benefits
  • Helps reduce dryness and irritation.
  • Gentle on sensitive skin and scalp.
  • Protects color-treated hair.
  • Keeps hair soft and hydrated.
  • Reduces chlorine and heavy metals.
How it Works

Easily upgrade your shower by:

  • Remove your current shower handle.
  • Attach the Purely S1 Shower Handle.
  • Run water for 1 minute to activate.
  • Replace the filter once a year.
  • Enjoy cleaner water that’s gentle on skin and hair.


S1 transforms your daily rinse with filtered water that’s gentler on skin and hair. Reduce chlorine, eliminate odors, and enjoy a noticeably cleaner, spa-like experience, every single day.

Box Contents

The S1 Shower-Handle kit includes:

  • 1x Filter Cartridge (Included inside the filter handle)
Specifications
  • Filter Life: Up to 45,000 liters or 12 months, depending on usage.
  • Dimensions: Length: 10", Width: 3" (ergonomic handle design).
  • Flow Rate: Maintains strong, consistent shower pressure.
  • Installation Compatibility: Tool-free, twist-on design fits standard shower arms and hoses.
  • Operating Temperature Range: 35–115°F (1.6–46°C).

Trusted by Leaders

Purely partners with leading creators, businesses, and organizations to advance water awareness, empower communities, and deliver innovative filtration solutions.

Protect Your Hair & Skin With S1

When you filter your shower, you're not only removing impurities, you're enhancing your self-care. It's a simple change that benefits your hair, your skin, and your home. Here’s how:

Benefits That Build

Chlorine’s repeat contact adds up. Reduce it daily, and give your hair and skin the chance to feel calmer, softer, and more balanced over time.

Healthier protection

Reduces exposure to harmful contaminants, making every rinse safer for your body.

Softness You Can Feel

A cleaner rinse makes a difference you notice: softer hair, calmer skin, and a shower that feels more elevated.

Colour That Lasts

Reduce chlorine exposure to help colour stay brighter, longer. Helping your tone look richer and more vibrant over time.

Year-Long Coverage

A long-lasting filter designed to keep your shower feeling clean and comfortable for up to 365 days of protection.

Peace of Mind

Our S2 Fiber Technology provides up to one full year of purified water. No constant replacing, no second guessing just consistent, purified water every time you shower.

Three Distinct Settings

Choose Rainfall, Massage, or Mixed—for a shower that feels tailored, every day.

Why Fiber Technology?

Our filtration technology delivers stronger performance, better pressure, and longer life than traditional filters. Here’s why:

Beyond Granules

Traditional filters rely on loose granules that shift over time. As water finds the path of least resistance, filtration can become less even—and the media wears out quickly.

Smarter Structure

A dense, fibrous media creates high surface area and more contact time with the water—guiding flow evenly through the filter for smoother, more consistent performance.

Full Flow

Our Fiber Technology maintains strong, steady water pressure while effectively filtering impurities. Enjoy cleaner water with three customizable high-pressure settings.

Longevity

Fiber technology is built to remain evenly structured over time and resist channeling—the result: up to 1 year of use, 4x longer than industry standards.

Trusted by experts. Backed by community.

Rhonda Massad

Owner of West Island News

Rhonda Massad

Owner of West Island News

"Definitely a must-have in every home. Efficient, cost-effective, and better for the planet. No brainer."

Natalia Bielecki

Office Manager at Clinique Ophtalmo MTL

Natalia Bielecki

Office Manager at Clinique Ophtalmo MTL

"Water is a huge part of my life. I use the filtration system every day definitely a must-have for everyone."

Katherine Garbarino

Owner of KGMTL

Katherine Garbarino

Owner of KGMTL

"I have one in my kitchen and bathroom sink. It’s an essential part of my wellness routine."

Melanie McKell

Owner of extensions MTL

Melanie McKell

Owner of extensions MTL

"Unfiltered water can seriously affect the quality of our hair and skin. I definitely recommend a Purely filter for both drinking and showering."

Angela Lucia

Owner at Coiffure Blunt

Angela Lucia

Owner at Coiffure Blunt

"Our entire salon is filtered, and our clients have definitely noticed a difference."

Ivana Gentile

Award Winning Stylist & Colorist

Ivana Gentile

Award Winning Stylist & Colorist

"Highly recommended for haircare. Clean water is the foundation of strong, healthy hair."

Francesco Feudale

President at Plomberie Urgence Montréal (PUM)

Francesco Feudale

President at Plomberie Urgence Montréal (PUM)

"Great systems happy to be working with Purely as an installation partner."

"Have been a customer for almost 2 years now, just got my first replacement cartridge a few days ago, took me about 2 minutes to switch out. We love our system!! Have saved a lot of money from not buying bottles weekly"
Keegan O'neil
"Bought one for my mom for Xmas, setup took about 7-8 minutes total, water is clear and tasteless! The team was very helpful when I called to get more details about the product! Very cool technology"
Giuliano Cervone
"Bought this after getting tired of refilling water jugs every week. Setup was simple and the instructions were clear.. Water comes out clean with no weird aftertaste. It’s one of those things you don’t realize how useful it is until you have it. Would definitely recommend."
Jess Turco
"I'm a huge stickler when it comes to the quality of the water I drink. Keanu from Purely was a breeze to deal with and extremely helpful. The device itself was very easy to install and the result speaks for itself. I can honestly say that my tap water has become my favorite hydration source. And the before/after difference is incredible. Definitely recommend!"
Charlie K
"I had such a great experience dealing with Purely Solutions. There was a small issue with the shower head we ordered and they responded quickly and were sure to rectify the situation. Great customer service and will definitely order from them again in the future."
Florence
"Been with the company for 4 years now, just replaced my cartridge recently. Customer service is excellent. Highly recommend."
Matthew Cherbaka
"Well designed long lasting filters. Backed up with no-nonsense excellent customer service. I highly recommend."
George Rekkas
"My wife won a contest and the prize was a whole-home water filtration system. The installation was quick and seamless, making the transition from bottled water very easy. Great product and very satisfied with the experience."
Qadr Spooner
"I purchased two shower heads and an under the sink filter and I absolutely love both products. Firstly, the shower head has helped my hair become so much more healthy and shinny, I no longer feel that residue from regular tap water. Secondly, the under the sink filter was so easy to install and I haven’t had to replace my cartridge in over a year! I would highly recommend."
Chanel
"Great system. Easy to install. Water tastes so pure and fresh."
Regina Khoury-Samaan
"Just replaced my purely filter another great customer service. So easy to install. Highly recommended"
Lori
"Had all my shower heads replaced with Purely solution, best thing I ever did, my wife and I love how our hair feels after a shower!"
Billy Rekkas
"Look no further than Purely Solutions! The customer service was excellent and the installation was quick and easy. I have the under-the-sink filter and couldn’t be happier with it. Nothing but positive things to say—highly recommend! "
Rebecca Samaan
"Great systems happy to be working with Purely as an installation partner"
Francesco Feudale
President at Plomberie Urgence Montréal (PUM)
"Highly recommended for haircare. Clean water is the foundation of strong, healthy hair."
Ivana Gentile
Award Winning Stylist & Colorist
"Our entire salon is filtered, and our clients have definitely noticed a difference."
Angela Lucia
Owner at Coiffure Blunt
"Unfiltered water can seriously affect the quality of our hair and skin. I definitely recommend a Purely filter for both drinking and showering."
Melanie McKell
Owner of extensions MTL
"I have one in my kitchen and bathroom sink. It’s an essential part of my wellness routine."
Katherine Garbarino
Owner of KGMTL
"Water is a huge part of my life. I use the filtration system every day definitely a must-have for everyone."
Natalia Bielecki
Office Manager at Clinique Ophtalmo MTL
"Definitely a must-have in every home. Efficient, cost-effective, and better for the planet. No brainer."
Rhonda Massad
Owner of West Island News
"My girlfriend and I just got the new system a few days ago, and we both can already tell a difference. It was super simple to install, and works great. Highly recommend getting one!"
Brayden
"great product! have been a P1 client for over 3 years and recently made the switch to a whole home system. installation process was seamless with purely's team. highly recommend!"
Max
"I had a great experience working with Purely Solutions from start to finish. The team was professional, responsive, and genuinely focused on delivering quality results. They took the time to understand exactly what I needed and followed through with clear communication and attention to detail. I am very happy with their products and costumer service."
Sean
"The best filtration systems on the market hands down. I’ve been using purely products for almost 4 years now, I started with their P1 under sink filter and noticed in a major change in water taste and for cooking. Adding the S1 shower filter was a life changer for my skin and hair. Highly recommend all Purely products!"
Massimo N
"Always reachable and ready to help. I installed a whole-house filtration system and it was the smoothest process - they were so reliable, clean and explained how it all worked. 100% recommend everyone to use such an amazing company."
Amanda
"I live in Paris and the water there was affecting my hair and skin. This filter saved me!! 10/10."
Sophie Cretu
"The shower filter quality is something I could never go back too not having. It’s been 1 year since using it, my girlfriend and I feel the difference and I also love the luxury look of it as well."
Tom Lavett
"Amazing product and customer service! We installed our whole home system last week and had a few questions about using the bypass to fill our hot tub and the Purely team got back to us within 10 minutes. Incredible company!"
Benjamin Cottrell
"Amazing product and customer service! We installed our whole home system last week and had a few questions about using the bypass to fill our hot tub and the Purely team got back to us within 10 minutes. Incredible company!"
Benjamin Cottrell
"The shower filter quality is something I could never go back too not having. It’s been 1 year since using it, my girlfriend and I feel the difference and I also love the luxury look of it as well."
Tom Lavett
"I live in Paris and the water there was affecting my hair and skin. This filter saved me!! 10/10."
Sophie Cretu
"Always reachable and ready to help. I installed a whole-house filtration system and it was the smoothest process - they were so reliable, clean and explained how it all worked. 100% recommend everyone to use such an amazing company."
Amanda
"The best filtration systems on the market hands down. I’ve been using purely products for almost 4 years now, I started with their P1 under sink filter and noticed in a major change in water taste and for cooking. Adding the S1 shower filter was a life changer for my skin and hair. Highly recommend all Purely products!"
Massimo N
"I had a great experience working with Purely Solutions from start to finish. The team was professional, responsive, and genuinely focused on delivering quality results. They took the time to understand exactly what I needed and followed through with clear communication and attention to detail. I am very happy with their products and costumer service."
Sean
"great product! have been a P1 client for over 3 years and recently made the switch to a whole home system. installation process was seamless with purely's team. highly recommend!"
Max
"My girlfriend and I just got the new system a few days ago, and we both can already tell a difference. It was super simple to install, and works great. Highly recommend getting one!"
Brayden
"Definitely a must-have in every home. Efficient, cost-effective, and better for the planet. No brainer."
Rhonda Massad
Owner of West Island News
"Water is a huge part of my life. I use the filtration system every day definitely a must-have for everyone."
Natalia Bielecki
Office Manager at Clinique Ophtalmo MTL
"I have one in my kitchen and bathroom sink. It’s an essential part of my wellness routine."
Katherine Garbarino
Owner of KGMTL
"Unfiltered water can seriously affect the quality of our hair and skin. I definitely recommend a Purely filter for both drinking and showering."
Melanie McKell
Owner of extensions MTL
"Our entire salon is filtered, and our clients have definitely noticed a difference."
Angela Lucia
Owner at Coiffure Blunt
"Highly recommended for haircare. Clean water is the foundation of strong, healthy hair."
Ivana Gentile
Award Winning Stylist & Colorist
"Great systems happy to be working with Purely as an installation partner"
Francesco Feudale
President at Plomberie Urgence Montréal (PUM)
"Look no further than Purely Solutions! The customer service was excellent and the installation was quick and easy. I have the under-the-sink filter and couldn’t be happier with it. Nothing but positive things to say—highly recommend! "
Rebecca Samaan
"Had all my shower heads replaced with Purely solution, best thing I ever did, my wife and I love how our hair feels after a shower!"
Billy Rekkas
"Just replaced my purely filter another great customer service. So easy to install. Highly recommended"
Lori
"Great system. Easy to install. Water tastes so pure and fresh."
Regina Khoury-Samaan
"I purchased two shower heads and an under the sink filter and I absolutely love both products. Firstly, the shower head has helped my hair become so much more healthy and shinny, I no longer feel that residue from regular tap water. Secondly, the under the sink filter was so easy to install and I haven’t had to replace my cartridge in over a year! I would highly recommend."
Chanel
"My wife won a contest and the prize was a whole-home water filtration system. The installation was quick and seamless, making the transition from bottled water very easy. Great product and very satisfied with the experience."
Qadr Spooner
"Well designed long lasting filters. Backed up with no-nonsense excellent customer service. I highly recommend."
George Rekkas
"Been with the company for 4 years now, just replaced my cartridge recently. Customer service is excellent. Highly recommend."
Matthew Cherbaka
"I had such a great experience dealing with Purely Solutions. There was a small issue with the shower head we ordered and they responded quickly and were sure to rectify the situation. Great customer service and will definitely order from them again in the future."
Florence
"I'm a huge stickler when it comes to the quality of the water I drink. Keanu from Purely was a breeze to deal with and extremely helpful. The device itself was very easy to install and the result speaks for itself. I can honestly say that my tap water has become my favorite hydration source. And the before/after difference is incredible. Definitely recommend!"
Charlie K
"Bought this after getting tired of refilling water jugs every week. Setup was simple and the instructions were clear.. Water comes out clean with no weird aftertaste. It’s one of those things you don’t realize how useful it is until you have it. Would definitely recommend."
Jess Turco
"Bought one for my mom for Xmas, setup took about 7-8 minutes total, water is clear and tasteless! The team was very helpful when I called to get more details about the product! Very cool technology"
Giuliano Cervone
"Have been a customer for almost 2 years now, just got my first replacement cartridge a few days ago, took me about 2 minutes to switch out. We love our system!! Have saved a lot of money from not buying bottles weekly"
Keegan O'neil

Effortless Installation & Replacement

Simply unscrew your current shower head and screw on the S1, no tools, no plumber, no stress. Designed to fit most standard shower handles, and when it’s time to refresh, just twist to replace the filter in seconds.

Consistent Filtration. Our advanced fiber technology is designed for dependable performance, providing consistent filtration from the first drop to the last.

Expanded Surface Area. The unique structure of our fiber media provides up to 3x greater surface area than conventional granular carbon, enabling more efficient and effective filtration.

Superior Impurity Reduction. Our filters are intelligently designed to target and reduce a wide range of common impurities, such as chlorine, VOC’s, pesticides and heavy metals, with high efficiency.

Compact & Long-Lasting. Our filters are designed to be more compact while offering double the capacity. This means you get clean, great-tasting water with fewer filter replacements.

See the Difference

Compare Fiber Technology to conventional alternatives.

Purely

ACF

Others
GAC/PAC Filters

Size/Form Factor

Replacement Longevity

Adsorption Speed

Environmental Impact

Filtration Consistency

Maintenance / Clogging

Surface Area

Results are based on third-party testing and published data comparing Activated Carbon Fiber (ACF) to conventional carbon filters.

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Experience Purely risk-free for 30 days. If you don’t taste the difference, we’ll give you a full refund no questions asked.

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P1 Under-Sink Filtration
S1 Shower-Handle filters remove impurities from water, ensuring safer, cleaner showers that are better for skin and hair.
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