National Indoor Air Quallity Month

Shop by Filter Size

Shop Popular brands

Learn about MERV Ratings

What's right for your home?

MERV 8

Shop Now
  • LINT
  • DUST MITES
  • MOLD SPORES
  • POLLEN
  • DUST

MERV 11

Shop Now
  • LINT
  • DUST MITES
  • MOLD SPORES
  • POLLEN
  • DUST
  • PET DANDER
  • SMOKE

MERV 13

Shop Now
  • LINT
  • DUST MITES
  • MOLD SPORES
  • POLLEN
  • DUST
  • PET DANDER
  • SMOKE
  • VIRUSES
  • BACTERIA

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.
Build Now

Helpful Tips

View all
Breathe Easy: Celebrating National Indoor Air Quality Month
Air Quality IAQ IAQ Month Indoor Air Quality MERV 11 MERV 11 Air Filters National IAQ Month National Indoor Air Quality Month
Breathe Easy: Celebrating National Indoor Air Quality Month
Latest posts
Simplify Your Restaurant Air Filtration with Hassle-Free Subscriptions
air filters bulk air filters Business Tips restaurants subscriptions
Simplify Your Restaurant Air Filtration with Hassle-Free Subscriptions
Save Big on Air Filters for Your Rental Properties
Business Tips FYI Money Saving Tips
Save Big on Air Filters for Your Rental Properties
open office working setting
home office How To's seasonal
Maintaining Your Health at Work - Wherever Work Is
Explore more

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.