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.

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

 

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:

merv rating comparison chart

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:

measuring furnace 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.