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 info@canadianairfilters.com

📩 Email us at info@canadianairfilters.com or 📞 Call us at 905 867 3667 for any questions. Our business hours are Monday to Friday, 7:00 AM – 3:30 PM (Ontario time). Due to peak season, please allow 24 to 48 hours for email replies. We recommend contacting us via email for the fastest response.

Shipping to Newfoundland is not available at checkout, but we do ship there! Email us at info@canadianairfilters.com for shipping rates.

Collection: 4 Inch Filters

4 Inch filters in various Merv ratings and sizes

9.5 x 20.25 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 20.25 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
9.5 x 18.75 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 18.75 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 15.5 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 15.5 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per
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
9.5 x 10.5 x 4 MERV 8 Pleated Air Filter (6 pack)

9.5 x 10.5 x 4 MERV 8 Pleated Air Filter (6 pack)

Regular price $90.00 CAD

Regular price Sale price $90.00 CAD
Unit price per

Collection: 4 Inch Filters

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