Free Shipping to Ontario & parts of Quebec! (charges apply to other areas)

One Inch Furnace Filters

1 inch furnace filters available in standard,hard-to-find and custom sizes. Ships from Canadian facilities.

  • Quality air filters at affordable prices!
  • Available in different media types
  • Durable construction

Select your size from the drop down menu or the list below.

Aerostar Series 400 NOVApleat Air Filter