20x24x4" Replacement Air and Furnace Filters

20" x 24" x 4 Replacement Air and Furnace Filters are made of 100% Synthetic Media which will not promote mold or bacteria growth. These 4 inch filters designed with to achieve a low resistance to air flow minimizes energy costs, with higher dust holding and longer life than standard capacity pleats. Designed for commercial buildings, industrial filtration, occupied spaces, to protect occupants from airborne irritants and should be changed every 60-90 days depending on levels of air contaminants.
3 products
    20

    20x24x4 MERV 13 - 6 PK - Ultimate Allergen Furnace & AC Air Filters

    Regular price
    $159.16
    Sale price
    $127.33
    Unit price
    per 
    2517 reviews
    20

    20x24x4 MERV 8 - 6 PK - Premium Furnace & AC Air Filters

    Regular price
    $117.01
    Sale price
    $93.60
    Unit price
    per 
    2517 reviews
    20

    20x24x4 MERV 11 - 6 PK - Ultra Allergen Furnace & AC Air Filters

    Regular price
    $133.87
    Sale price
    $107.09
    Unit price
    per 
    2517 reviews

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