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    American Standard 21x23.5x5 MERV 11 Aftermarket Replacement Filter

    Actual Size: 20.1x23.2x5"

    https://filterbuy.com/media/cache/3a/b1/3ab178efd38bd3cf4e4390db2a6544f4.jpg
    $285.90
    $515.22
    in stock
    Ships in 24 hours
    Quantity Discount
    1 for$85.87 ea2 for$53.66 eaSave 38%3 for$52.40 eaSave 39%4 for$51.13 eaSave 40%5 for$49.37 eaSave 43%6+ for$47.65 eaSave 45%
    SUPERIOR AIR FILTRATION
    SUPERIOR AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

    ABOUT

    • This is a list 21 X 23.5 X 5 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
    • Actual air filter size: 20.1x23.2x5"
    • MERV 11 synthetic media (comparable with MPR 1000/1200 and FPR 7) offers superior protection from dust, pollen, pet dander, mold, smog and more by trapping 95% 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 23.5 X 5 Air Filters