One inch furnace air filters

1" Air Filters for your AC or Furnace, available in standard and custom sizes.

  • Available in Standard and Custom Sizes
  • Superior Quality, Best Prices Guaranteed
  • High Filtration Efficiency, Move To MERV 13
  • Improve Your Home's Air Quality By Upgrading Your MERV Rating
  • Changing Your Filters Keeps Energy Costs Down By Up To 15%

Select your size from the drop down menu or shop extended sizes.

1 inch air filter

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