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

10x10x1 10x14x1 10x15x1 10x16x1 10x18x1 10x20x1 10x24x1 10x25x1 10x28x1 10x30x1 12x12x1 12x15x1 12x16x1 12x18x1 12x20x1 12x22x1 12x24x1 12x25x1 12x26x1 12x27x1 12x30x1 12x34x1 12x36x1 13x18x1 13x20x1 13x21x1 13x24x1 13x25x1

14x14x1 14x16x1 14x18x1 14x20x1 14x22x1 14x24x1 14x25x1 14x27x1 14x28x1 14x30x1 14x36x1 15x15x1 15x20x1 15x25x1 15x30x1 16x16x1 16x18x1 16x20x1 16x21x1 16x22x1 16x24x1 16x25x1 16x30x1 16x32x1 16x36x1 17x17x1 17x19x1 17x20x1

17x21x1 17x22x1 17x25x1 18x18x1 18x20x1 18x22x1 18x24x1 18x25x1 18x30x1 18x36x1 19x19x1 19x21x1 19x22x1 19x23x1 19x27x1 20x20x1 20x21x1 20x22x1 20x23x1 20x24x1 20x25x1 20x27x1 20x30x1 20x32x1 20x34x1 20x36x1 21x21x1 21x22x1

21x23x1 22x22x1 22x24x1 22x26x1 22x28x1 22x36x1 23x25x1 24x24x1 24x25x1 24x28x1 24x30x1 24x36x1 25x25x1 25x28x1 25x29x1 25x32x1 27x27x1 28x30x1 29x29x1 30x30x1 30x32x1 30x36x1 8x14x1 8x16x1 8x20x1 8x24x1 8x30x1 9x30x1

 

2 Inch MERV 8 Filters

10x10x2 10x14x2 10x15x2 10x16x2 10x18x2 10x20x2 10x24x2 10x25x2 10x30x2 12x12x2 12x15x2 12x16x2 12x18x2 12x20x2 12x22x2 12x24x2 12x25x2 12x26x2 12x27x2 12x30x2 12x36x2 13x18x2 13x20x2 13x21x2 13x24x2 14x14x2 14x16x2

14x18x2 14x20x2 14x22x2 14x24x2 14x25x2 14x27x2 14x28x2 14x30x2 14x36x2 15x15x2 15x20x2 15x25x2 15x30x2 16x16x2 16x18x2 16x20x2 16x21x2 16x22x2 16x24x2 16x25x2 16x30x2 16x32x2 16x36x2 17x17x2 17x19x2 17x20x2 17x21x2

17x22x2 17x25x2 18x18x2 18x20x2 18x22x2 18x24x2 18x25x2 18x30x2 18x36x2 19x19x2 19x21x2 19x22x2 19x23x2 19x27x2 20x20x2 20x21x2 20x22x2 20x23x2 20x24x2 20x25x2 20x27x2 20x30x2 20x32x2 20x34x2 20x36x2 21x21x2 21x22x2

21x23x2 22x22x2 22x24x2 22x26x2 22x28x2 22x36x2 23x25x2 24x24x2 24x25x2 24x28x2 24x30x2 24x36x2 25x25x2 25x28x2 25x29x2 25x32x2 27x27x2 28x30x2 29x29x2 29x30x2 30x30x2 30x32x2 30x36x2 8x14x2 8x16x2 8x20x2 8x24x2 8x30x2

 

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

10x10x4 10x14x4 10x15x4 10x16x4 10x18x4 10x20x4 10x24x4 10x25x4 10x30x4 12x12x4 12x15x4 12x16x4 12x18x4 12x20x4 12x22x4 12x24x4 12x25x4 12x26x4 12x27x4 12x30x4 12x36x4 13x18x4 13x20x4 13x21x4 13x24x4 14x14x4

14x18x4 14x20x4 14x22x4 14x24x4 14x25x4 14x27x4 14x28x4 14x30x4 14x36x4 15x15x4 15x20x4 15x25x4 15x30x4 16x16x4 16x18x4 16x20x4 16x21x4 16x22x4 16x24x4 16x25x4 16x30x4 16x32x4 16x36x4 17x17x4 17x19x4 17x20x4

17x21x4 17x22x4 17x25x4 18x18x4 18x20x4 18x22x4 18x24x4 18x25x4 18x30x4 18x36x4 19x19x4 19x21x4 19x22x4 19x23x4 19x27x4 20x20x4 20x21x4 20x22x4 20x23x4 20x24x4 20x25x4 20x27x4 20x30x4 20x32x4 20x34x4 20x36x4

21x21x4 21x22x4 21x23x4 22x22x4 22x24x4 22x26x4 22x28x4 22x36x4 23x25x4 24x24x4 24x25x4 24x28x4 24x30x4 24x36x4 25x25x4 25x28x4 25x29x4 25x32x4 27x27x4 28x30x4 29x29x4 30x30x4 30x36x4 8x14x4 8x16x4 8x20x4 8x24x4 8x30x4

 

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 support@purefilters.ca. We are available Monday to Friday from 9AM to 5PM Eastern Standard Time.