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    18x18x4 MERV 13 Pleated Air Filter

    Actual Size: 17.5x17.5x3.75"

    https://static.filterbuy.com/static/images/filter-images-by-shape/Square/MERV 13/4 INCH/Square_4inch_MERV13_6pack.jpg
    $169.68
    $316.74
    in stock
    Ships in 24 hours
    Quantity Discount
    1 for$52.79 ea2 for$32.99 eaSave 38%3 for$31.56 eaSave 40%4 for$30.84 eaSave 42%5 for$29.55 eaSave 44%6-11 for$28.28 eaSave 46%12+ for$27.06 eaSave 49%
    OPTIMAL AIR FILTRATION
    OPTIMAL AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

    ABOUT

    • This is a list 18x18x4 MERV 13 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
    • Actual air filter size: 17.5x17.5x3.75"
    • 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 18x18x4 Air Filters