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Filters now furnace air filters Deals in Canada

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Deals are available from 1 stores and 5 brands. An additional discount is available for 3 items. Last updated on September 24, 2025.
Filtrete 14x16x1 Furnace Filter, MPR 1000, MERV 11, Healthy Living Ultimate Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 14x16x1 Furnace Filter, MPR 1000, MERV 11, Healthy Living Ultimate Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters
Filtrete 14x16x1 Furnace Filter, MPR 1000, MERV 11, Healthy Living Ultimate Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters
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Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (20x20x1)
Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (20x20x1)
Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (20x20x1)
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K&N 20X20X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12020
21% Off
K&N 20X20X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12020
K&N 20X20X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12020
New
$71.06
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K&N 20X23X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-12023
K&N 20X23X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-12023
K&N 20X23X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-12023
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K&N 16X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11625
K&N 16X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11625
K&N 16X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11625
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K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
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K&N 18X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11824
7% Off
K&N 18X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11824
K&N 18X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11824
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$67.36
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GeneralAire AC-1 Replacement Air Filters, 2-Pack- For AC-1, #4001
GeneralAire AC-1 Replacement Air Filters, 2-Pack- For AC-1, #4001
GeneralAire AC-1 Replacement Air Filters, 2-Pack- For AC-1, #4001
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Honeywell Media Air Cleaner F100f1625 -16x25
Honeywell Media Air Cleaner F100f1625 -16x25
Honeywell Media Air Cleaner F100f1625 -16x25
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K&N 24X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12424
6% Off
K&N 24X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12424
K&N 24X24X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12424
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$80.85
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