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.