1 Inch Filters

1 Inch Air Filters in Popular and Custom Sizes for Furnace and AC.

Whether you need a standard 20x20 air filter, a thin 24x28 filter, or a specific 1 inch air filter you can't find in stores, we will deliver exactly what your home or business requires while providing the following features:

  • Available in Standard and Custom Sizes
  • Superior Quality, Best Prices Guaranteed
  • High Filtration Efficiency
  • Multiple Alternatives for MERV Ratings
  • Ability to Keep Energy Costs Down By Up To 15%

Select your size below or shop extended sizes.

68 products