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    American Standard 21x21.5x5 MERV 13 Aftermarket Replacement Filter

    Actual Size: 20.1x21.1x5"

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    $312.72
    $455.70
    in stock
    Ships in 24 hours
    Quantity Discount
    1 for$75.95 ea2 for$59.06 eaSave 22%3 for$57.12 eaSave 25%4 for$56.48 eaSave 26%5 for$54.28 eaSave 29%6-11 for$52.12 eaSave 31%12+ for$51.43 eaSave 32%
    OPTIMAL AIR FILTRATION
    OPTIMAL AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

    ABOUT

    • This is a list 21 X 21.5 X 5 MERV 13 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
    • Actual air filter size: 20.1x21.1x5"
    • MERV 13 synthetic media (comparable with MPR 1500/1900 and FPR 10) offers the best protection from dust, pollen, pet dander, mold, smog, bacteria, and virus carrying particles by trapping 98% of airborne particles without impacting air flow.
    • High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity
    • Built to last 3 months. 300% longer than fiberglass models
    • 100% manufactured in the United States and designed with recyclable materials
    • Learn more about 21 X 21.5 X 5 Air Filters