3-Inch Air Filters

Need to replace your dirty filters? Our 3-inch air filters are available in various sizes and are a perfect replacement for most major brands. Choose from popular sizes like 16x25x3 air filters, unusual sizes with quarter-inch measurements, or even customized sizes you can't find elsewhere. Not only do we have every size you could ever ask for, but we manufacture products of exceptional quality at prices you can afford.

The 3-Inch Furnace Filters You Need

Air filters are not one-size-fits-all. However, if you choose the right size, our air filters can replace any brand and can be installed in either a furnace or AC unit. Personalize your 3-inch air filter further with the MERV rating that best fits your needs in your home or business. You can't go wrong with a 3-inch filter that has the following perks:

  • Manufactured to be any size you require
  • Made in the USA means reduced cost and no international shipping
  • High filtration efficiency with up to a MERV 13 rating
  • Can improve the air quality in your home or office by reducing allergens – capturing dust, pollen, and more
  • Quantity discounts

Purchase your 3-inch air filter today! Enjoy free shipping on every order.

Aerostar Series 400 NOVApleat Air Filter

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