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    5 Products
    About Air Filter Efficiency Ratings
    industrial info icon

    Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.

    Low-Efficiency Reusable Air Filter Media

    Wash and reuse this media to extend the life of expensive filters that catch fine particles. Installed upstream, this affordable media traps debris that can damage or clog your final filter. Cut it to the size you need and attach it to a frame.
    Polyurethane Foam Pads
    Image of Product. Front orientation. Air Filter Media. Low-Efficiency Reusable Air Filter Media, Pads.
    Pores per Inch—Media containing more pores per inch catch smaller particles than media with fewer pores per inch.
    HVAC Filter
    Trade Size
    MERV Filter
    Rating
    Max. Temp.,
    ° F
    Specs.
    Met
    Choose a Number of
    Pores per Inch
    Each
    1/8" Thick
    48 × 72Not Rated250UL 90020, 45, 65, 80, 1009803K2000000
     
    1/4" Thick
    48 × 72Not Rated250UL 90020, 45, 65, 80, 1009803K300000
     
    1/2" Thick
    48 × 72Not Rated250UL 90020, 45, 65, 80, 1009803K4000000
     
    1" Thick
    48 × 72Not Rated250UL 90020, 45, 65, 80, 1009803K6000000
     
    2" Thick
    48 × 72Not Rated250UL 90020, 45, 65, 80, 1009803K7000000
     
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