4 Inch Filters | Canadian Air Filters

Please note: Our lead time for shipping orders out is between 4 to 7 business days for standard sizes. Custom sizes are 8 to 12 business days. We appreciate your patience and understanding. If you need urgent orders for critical applications email us at info@canadianairfilters.com

Welcome to our store

📩 Email us at info@canadianairfilters.com or 📞 Call us at 1-(800) 858-0765 for any questions. Our business hours are Monday to Friday, 7:00 AM – 3:30 PM (Eastern Time). We recommend contacting us via email for the fastest response.

11.42x23.23x4 MERV 8 Pleated Air Filter (06 pack)

11.42x23.23x4 MERV 8 Pleated Air Filter (06 pack)

Regular price $114.00 CAD

Regular price Sale price $114.00 CAD
Unit price per
9.5 x 20 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 20 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
9.5 x 18 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 18 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
9.5 x 17.25 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 17.25 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
9.5x15.5x4 MERV 8 Pleated Air Filter (6 pack)

9.5x15.5x4 MERV 8 Pleated Air Filter (6 pack)

Regular price $125.00 CAD

Regular price Sale price $125.00 CAD
Unit price per
9.5 x 13.5 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 13.5 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
24x24x4 MERV 11 Pleated Air Filter (6 pack)

24x24x4 MERV 11 Pleated Air Filter (6 pack)

Regular price $170.00 CAD

Regular price Sale price $170.00 CAD
Unit price per
21.25x26x4 MERV 11 (06 pack)

21.25x26x4 MERV 11 (06 pack)

Regular price $242.34 CAD

Regular price Sale price $242.34 CAD
Unit price per
18.5x32.5x4 MERV 8 Pleated Air Filter (6 pack)

18.5x32.5x4 MERV 8 Pleated Air Filter (6 pack)

Regular price $230.00 CAD

Regular price Sale price $230.00 CAD
Unit price per
20x20x4 MERV 10 (06 pack)

20x20x4 MERV 10 (06 pack)

Regular price $115.00 CAD

Regular price Sale price $115.00 CAD
Unit price per
12×20.75×1 MERV 8 Pleated Air Filter (06 pack)

12×20.75×1 MERV 8 Pleated Air Filter (06 pack)

Regular price $105.00 CAD

Regular price Sale price $105.00 CAD
Unit price per
4×12.5×3 MERV 8 Pleated Air Filter (06 pack)

4×12.5×3 MERV 8 Pleated Air Filter (06 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
Fantech RPFH1315 Pre-Filter & Carbon-Filter Kit Part No. 40195 x 2 sets

Fantech RPFH1315 Pre-Filter & Carbon-Filter Kit Part No. 40195 x 2 sets

Regular price $95.00 CAD

Regular price Sale price $95.00 CAD
Unit price per
12x37.75x4 MERV 11 Pleated Air Filter (06 pack)

12x37.75x4 MERV 11 Pleated Air Filter (06 pack)

Regular price $275.00 CAD

Regular price ~~$20.00 CAD~~ Sale price $275.00 CAD
Unit price per
8 7/16 X 35 1/4 X 1 MERV 11 (06 pack)

8 7/16 X 35 1/4 X 1 MERV 11 (06 pack)

Regular price $180.00 CAD

Regular price Sale price $180.00 CAD
Unit price per
14x14x4 MERV 13 PLEATED AIR FILTER (6 pack)

14x14x4 MERV 13 PLEATED AIR FILTER (6 pack)

Regular price $270.00 CAD

Regular price Sale price $270.00 CAD
Unit price per