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    19x21x4 MERV 11 Pleated Air Filter

    Actual Size: 18.5x20.5x3.75"

    https://static.filterbuy.com/static/images/filter-images-by-shape/Short Rectangle/MERV 11/4 INCH/ShortRectangle_4inch_MERV11_6pack.jpg
    $142.62
    $270.36
    in stock
    Ships in 24 hours
    Quantity Discount
    1 for$45.06 ea2 for$28.16 eaSave 38%3 for$26.75 eaSave 41%4 for$26.04 eaSave 42%5 for$24.96 eaSave 45%6-11 for$23.77 eaSave 47%12+ for$22.58 eaSave 50%
    SUPERIOR AIR FILTRATION
    SUPERIOR AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

    ABOUT

    • This is a list 19x21x4 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
    • Actual air filter size: 18.5x20.5x3.75"
    • 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 19x21x4 Air Filters