Shop today to get FREE SHIPPING on your order! (some restrictions apply)

Four inch air filters

Our 4 inch air filters are available in standard and custom sizes, and are a perfect replacement for many major brands.

  • 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%

For other shopping options click the links below:
Create a Custom Size Air Filter
Shop All Sizes

4 inch air filter

Back to top