MERV 8 Furnace Filters
MERV 8 filtration is capable of capturing particles between 3.0 micros and 10.0 with 90% efficiency. A MERV 8 furnace filter is perfect for the average household, it is far superior than fibreglass or synthetic panel filters.
A MERV 8 furnace filter is able to trap: common dust, debris, pollen, mold spores, hair spray, fabric protector and cement dust.
If you are unsure of which MERV rating is suitable for your home, be sure to check out our MERV Rating Guide. You can also see a quick comparison chart here:
How Often To Change MERV 8 Filters
The frequency of MERV 8 furnace filter changes will highly depend on what is inside your home, where you are located and various other factors. We wrote a Filter Change Frequency Guide which will help you decide when it is time to change your furnace filter.
MERV 8 Furnace Filter Sizes
It's important to know the difference between nominal size and actual or exact size. We wrote a Guide for Furnace Filter Sizes, if you are not sure what the size of your MERV 8 filter is, we recommend checking it out.
Please see the image below on how to measure your MERV 8 filter accurately:
Below, you can see a list of all MERV 8 furnace filter sizes we carry, organized by thickness:
1 Inch MERV 8 Filters
2 Inch MERV 8 Filters
3 Inch MERV 8 Filters
Generalaire / Reservepro 4521 MERV 8 16x25x3 Furnace Filter
4 Inch MERV 8 Filters
Honeywell FC100A1029 – Compatible 16x25x4 Furnace Air Filter
Honeywell FC100A1037 – Compatible 20x25x4 Furnace Air Filter
Honeywell FC100A1011 - Compatible 20x20x4 Furnace Air Filter
5 Inch MERV 8 Filters
Lennox X6670 - Compatible 16x25x5 Furnace Air Filter
Lennox X6673 - Compatible 20x25x5 Furnace Air Filter
Lennox X0585 - Compatible 20x20x5 Furnace Air Filter
Carrier & Bryant FILXXCAR0016 – Compatible 16x25x5 Furnace Air Filter
Carrier / Bryant FILXXCAR0024 – Pleated 24x25x5 MERV 8 Air Filter
Carrier / Bryant FILXXCAR0016 - EZ Flex 16x25x5 MERV 8 Air Filter
Bryant / Carrier FILXXCAR0020 - Pleated 20x25x5 MERV 8 Air Filter
6 Inch MERV 8 Filters
Electro-Air M1-1056 – Compatible 16x20x6 Furnace Air Filter
Electro-Air M2-1056 – Compatible 20x20x6 Furnace Air Filter
Electro-Air M8-1056 – Compatible 20x25x6 Furnace Air Filter
Electro-Air M0-1056 – Compatible 16x20x6 Furnace Air Filter
Request Custom Size Furnace Filter
If you still cannot find your furnace filter listed on our store, you can always request a custom size filter. Custom size filters can take up to 15 business days to deliver and all custom size filter sales are final (no refunds/exchanges). In order to request a custom size filter and receive a quote for your order, please click on the link below.
Request custom size filter
If you need help finding your exact filter on PureFilters.ca and prefer to speak to someone, please give us a call at 1-888-979-4284 or email us at firstname.lastname@example.org. We are available Monday to Friday from 9AM to 5PM Eastern Standard Time.