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    Filterbuy 18x21x1 Air Filter MERV 8 Dust Defense Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 18.00 x 21.00 x 1.00 Inches)

    Actual Size: 18x21x1

    https://static.filterbuy.com/static/images/filter-images-by-shape/Short Rectangle/MERV 8/1 INCH/ShortRectangle_1inch_MERV8_6pack.jpg
    $73.44
    $166.56
    in stock
    Ships in 24 hours
    Quantity Discount
    1 for$27.76 ea2 for$16.55 eaSave 40%3 for$15.27 eaSave 45%4 for$14.22 eaSave 49%5 for$13.21 eaSave 52%6-11 for$12.24 eaSave 56%12+ for$11.01 eaSave 60%
    STANDARD AIR FILTRATION
    STANDARD AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

    ABOUT

    • This is a list 18x21x1 MERV 8 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
    • Actual air filter size: 18x21x1
    • MERV 8 synthetic media (comparable with MPR 600 & FPR 5) offers standard protection from dust, pollen, and more by trapping 90% 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 18x21x1 Air Filters