mobile cart

18x20x1 Air Filter

We know what you're looking for: an 18x20x1 air filter that can clean your air from pollen, dust, pet dander, bacteria, and any other undesired debris for a price that is affordable and cost-effective. We have just that and more. Our filters, which can be used for AC units and furnaces alike, in either your home or business, are made in America, in our own manufacturing facilities. Using our own means of production, we are able to cut out unnecessary costs, giving you the best price for your 18x20x1 air filters. We allow you to customize your purchase with the MERV rating you need for your optimal air quality and the bundle you prefer for recurring replacements. Shop with us for free shipping and a price match guarantee on all purchases.
  • Home Basic

    Fiberglass | MERV Rating 6
    Lint, Dust Mites, Mold Spores, Pollen & Pet Dander
    18x20x1 MERV 6 Fiberglass Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 17 1/2" x 19 1/2" x 3/4"
    • Product #: D50S.011820
  • Home Select

    Pleated | MERV Rating 8
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander & Fine Dust
    18x20x1 MERV 8 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 17 1/2" x 19 1/2" x 3/4"
    • Product #: P80S.011820
  • Home Plus

    Pleated | MERV Rating 11
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander, Fine Dust & Auto Emissions
    18x20x1 MERV 11 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 17 1/2" x 19 1/2" x 3/4"
    • Product #: P15S.011820
  • Home Ultimate

    Pleated | MERV Rating 13
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander, Fine Dust, Auto Emissions, Very Fine Dust, Smoke & Bacteria
    18x20x1 MERV 13 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 17 1/2" x 19 1/2" x 3/4"
    • Product #: P25S.011820
© 2017 Air Filters Delivered, Inc. All Rights Reserved.

Back to top