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24x24x4 Air Filter

When is the last time you replaced your 24x24x4 air filters? If you're not sure, it might be time! Browse our selection of USA-made air filters and start breathing better today. All of our products qualify for our price match guarantee and free shipping every day. Need a year's supply? We've got you covered with our bulk purchasing options. The more you buy, the more you save.
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    Pleated | MERV Rating 8
    24 x 24 x 4 Basic MERV 8 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 23 3/8" x 23 3/8" x 3 3/4"
    • Product #: P80S.042424
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    Pleated | MERV Rating 11
    24 x 24 x 4 MERV 11 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
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    • Actual Size: 23 3/8" x 23 3/8" x 3 3/4"
    • Product #: P15S.042424
  • Home Ultimate

    Pleated | MERV Rating 13
    24 x 24 x 4 MERV 13 Pleated Air Filter
    Get your First Filter Free with Auto Delivery
    View Terms and Conditions
    • Actual Size: 23 3/8" x 23 3/8" x 3 3/4"
    • Product #: P25S.042424
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