Indoor Air & Water Quality Made Easy
Find Your Furnace Filter or Water Filter In Seconds
With over 900 different sizes and models, we are confident that we will have your furnace filter in stock. If for some reason you cannot find your size, we make custom furnace air filters too! Please select one of the following ways to search for your furnace filter:
Browse Furnace Filter Sizes
Browse Furnace Filter Brands
Browse Furnace Filter MERV Ratings
Our most popular furnace filters:
With over 400 different water filter models, we are confident that we will have your filter in stock. Please select one of the following ways to search for your water filter:
Browse by fridge water filters
Browse by under sink water filters
Our most popular water filters:
With over 300 different pool filter models, we are confident that we will have your filter in stock. Please select one of the following ways to search for your pool filter:
Browse by pool sand filters
Browse by pool filter cartridges
PureFilters Is The #1 Filter Company in Canada. And Don't Just Take Our Word For It, Check Out PureFilters Reviews From Customers.
Fridge Water Filter Brands
We Carry Compatible Fridge Water Filters For All Major Brands
Our compatible fridge water filters are manufactured in North America. We have models for nearly every trusted brand. No need to spend the extra money just for the brand name. With PureFIlters compatible fridge water filters, you get the exact same quality for a fraction of the price.
Browse fridge water filters by most popular brands. Listed in alphabetical order below:
Furnace Filter Brands
PureFilters Carries All Major Furnace Filter Brands
We carry all popular furnace filters brands. Our HVAC products are genuine and OEM, sourced directly from the manufacturer. We cut out the middlemen like HVAC contractors and big box retail stores in order to pass the savings along to you!
Some of our most popular furnace filter brands include:
Have Questions About Furnace Filters? Here Are Some Answers
What is a MERV rating? - MERV, acronym for "Minimum Efficiency Reporting Value" are ratings that are commonly used to measure the effectiveness and efficiency of a filter. MERV measures the ability of a filter to remove impurities from air as it passes the filter. This scale was designed by ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers) to gauge the effectiveness of filters. Click here to read our guide to MERV ratings.
Which MERV furnace filter do I need? - Each home is unique and therefore require a different MERV rating. PureFilters carries furnace filters with MERV ratings from 8 to 16. We wrote a guide on MERV ratings and how to select the best one for your home. Click here to read it.
How often do I need to change my furnace filter? - It really depends because each home environment is different and therefore requires different change frequency. Depending on where you are located, who lives in your home and various other factors, it can range from every 1 month to every 6 months. We do have an entire guide on how often you should change your furnace filters, Click here to read it.
What size is my furnace filter? - Always double check the measurements on your current filter to ensure you buy the correct size. Often times a filter has 2 sizes, the "nominal size" and the "actual size". The nominal size is purely for marketing purposes. Companies often round up or down the measurements in order to get a nice even number. The actual size is the actual measurements of your filter. We wrote a guide on how to find the correct furnace filter size, click here to read it.
Furnace Filter MERV Ratings
A Standardized Scale To Measure Furnace Filter Quality and Efficiency
If you are unsure of which furnace filter is suitable for your home, check out our MERV rating guide. It will help you understand the differences between each rating, what the filtration capabilities of each rating is and which is most suitable for you given your home environment.
The most common MERV ratings are:
PureFilters Delivers Across Canada
We Deliver All Of Our Products To Everywhere In Canada
Whether you live in one of the major cities or in a rural area, rest assured that PureFilters will be able to deliver to you - and fast. We use a combination of carriers including Canada Post, UPS, Canpar, Purolator and Fedex to get your order to you as quick as possible. We ship out of 2 hubs, one in Ontario and one in British Columbia, in order to reduce delivery times as much as possible.
Get furnace filters delivered to any city, town or municipality in Canada including:
Jan 25, '22
PureFilter's partnered with PayBright to offer easy payment solutions to help Canadians replace their filters more often. Buy the filters you need today, and pay in equal instalments over 3 months at 0% interest rate, 6 or 12 months (interest applies). Learn more about PayBright's payment solutions.Read more
Jul 23, '21
When buying replacement furnace filters do you ever ask yourself - should I buy an original or a compatible air filter? If so, let's dive into the OEM vs. compatible air filters debate, look at the pros and cons of both options, and help you make an educated purchase the next time you place your order.Read more