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16x21x1 Air Filter

Do you have trouble finding affordable 16x21x1 air filters? In order to give you the best price in the market, Air Filters Delivered manufactures its products in-house and offers free shipping in addition to its price match guarantee. Complete a year's worth of filter shopping with a 6-pack or 12-pack bundle in your choice of MERV ratings 6, 8, 11, or 13. Each 16x21x1 air filter can be used for your office or business furnace or AC unit.
  • Home Basic

    Fiberglass | MERV Rating 6
    Lint, Dust Mites, Mold Spores, Pollen & Pet Dander
    16 x 21 x 1 MERV 6 Fiberglass Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 15 7/8" x 20 7/8" x 3/4"
    • Product #: D50S.011621
  • Home Select

    Pleated | MERV Rating 8
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander & Fine Dust
    16 x 21 x 1 MERV 8 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 15 7/8" x 20 7/8" x 3/4"
    • Product #: P80S.011621
  • Home Plus

    Pleated | MERV Rating 11
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander, Fine Dust & Auto Emissions
    16 x 21 x 1 MERV 11 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 15 7/8" x 20 7/8" x 3/4"
    • Product #: P15S.011621
  • Home Ultimate

    Pleated | MERV Rating 13
    Lint, Dust Mites, Mold Spores, Pollen, Pet Dander, Fine Dust, Auto Emissions, Very Fine Dust, Smoke & Bacteria
    16 x 21 x 1 MERV 13 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 15 7/8" x 20 7/8" x 3/4"
    • Product #: P25S.011621
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