Learn about MERV Ratings
Learn about MERV Ratings
What's right for your home?
Shop by Filter Size
Shop Popular brands
Custom Size Air Filters!
Custom Size Air Filters!
Trouble finding the right size filter? We've got you covered. We specialize in custom size filters and can build any size air filter.
About Factory Direct Filters
About Factory Direct Filters
Since 2010, we've been manufacturing and delivering high quality, USA-made air filters at prices right for your business, office, or home.
Save 10% on your first purchase when you sign up!
Subscribe today and get special offers and more delivered right to your inbox!