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18x22x1 Air Filter

No matter your MERV rating preference, we have an 18x22x1 air filter for you. With four MERV ratings to choose from, we guarantee you will find something that accommodates your specific needs, whether you have a pet, allergies, or it is about time for a replacement filter. American-made, our air filters are of the highest quality, offered at unmatched prices. Shop today for free shipping on all orders.
  • Home Basic

    Fiberglass | MERV Rating 6
    18 x 22 x 1 MERV 6 Fiberglass Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 17 1/2" x 21 1/2" x 3/4"
    • Product #: D50S.011822
  • Home Select

    Pleated | MERV Rating 8
    18 x 22 x 1 MERV 8 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 17 1/2" x 21 1/2" x 3/4"
    • Product #: P80S.011822
  • Home Plus

    Pleated | MERV Rating 11
    18 x 22 x 1 MERV 11 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 17 1/2" x 21 1/2" x 3/4"
    • Product #: P15S.011822
  • Home Ultimate

    Pleated | MERV Rating 13
    18 x 22 x 1 MERV 13 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 17 1/2" x 21 1/2" x 3/4"
    • Product #: P25S.011822
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