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Purely P1 installed beneath a kitchen sinkFilling a glass at a gold faucet with the P1 installed below

P1 Under-Sink Water Filter

Clean water, without the hassle.

The P1 is a compact under-sink filtration system designed to deliver clean drinking water directly from your existing kitchen faucet.

Who is the P1 for?

The P1 is built for anyone looking for a convenient way to enjoy clean water and is a great fit for those looking to move away from pitcher filters, bottled water, or bulky, maintenance-heavy filtration units that take up valuable space in your kitchen or beneath your sink.

Will it fit under my sink?

At just 13" tall and 3.5" wide, the P1 fits comfortably under any kitchen sink, while taking up very little cabinet space.

The P1 shown fitted beneath a kitchen sink cabinet

What does the P1 filter?

Independently tested to reduce more than 100 common tap-water impurities, the P1 targets the contaminants that matter most for drinking and cooking water.

Removes Up to98%Chlorine & Chloramine
Removes Up to99%Lead & Heavy Metals
Removes Up to98.7%Microplastics & PFAS
Removes Up to98%VOC’s & Trihalomethanes

For a full list of contaminants, read the P1’s
Performance Data Sheet

What about the minerals?

The P1 reduces contaminants while retaining essential minerals present in your water, meaning Calcium, Magnesium and Potassium, as well as other minerals are not stripped from your filtered water.

A glass of mineral-balanced filtered water

How long does the cartridge last?

Equipped with filtration media. The P1 Under-Sink delivers long-lasting filtration, maintaining up to 98% contaminant reduction throughout its cartridge life. Replacement cycle is based on household size for optimal performance.

Household SizeCartridge Lifespan
1–2 People2 Years
3 People18 Months
4 People1 Year
5+ People8–10 Months

How do I purchase it?

Once you’re ready to move forward with a P1, you can order directly through our website or have one of our water specialists process the order with you over the phone. Your system will then be delivered directly to your door within 1–3 business days, with free shipping anywhere in Canada.

Purely P1 Under-Sink filter beside its retail box with a 30-day money-back guarantee badge

Why Purely?

Straightforward products, simple installation, and real support before, during, and after your purchase. Purely Solutions is a Canadian company founded on one principle: make clean water simple.

The Purely app showing filter status

Built With Confidence and Backed by Real Support

Your P1 comes with a 5-year limited warranty and a 30-day money-back guarantee. Eligible returns within 30 days receive a full refund of the purchase price, and we’ll replace any component covered by the warranty at no charge.

5 Year

Warranty

30 Day

Money-back guarantee

View Full Warranty & Return Policy

What happens next?

One of our water specialists will reach out to answer any remaining questions and walk you through anything specific to your setup to make sure the P1 is the right fit for you.

Pouring a glass of filtered water

If you feel ready, you don’t need to wait for the call. You can view the full product details and order directly through our website.

4.8out of 53,800+verified reviews

Hear From Homeowners

Ask Us About the P1 Bundle Offer.

For a limited time, order the P1 Bundle and receive an extra P1 Cartridge for almost 60% off its original price.

The P1 bundle — system and spare cartridge