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    Filterbuy Replacement Air Filters Compatible with Aprilaire® / Space Gard®

    Filterbuy replacement air filters offer the same high quality materials and performance as the name brand but at a fraction of the cost.

    CUSTOMER REVIEW

    5star

    Absolutely the best and most efficient way to purchase furnace filters! No problem finding the filter I needed, filters delivered within a couple of days, fit perfectly and shipping is FREE! What's not to like?

    Christine P.

    filter 16 x 28 x 6 - MERV 11
    16 x 28 x 6 - MERV 11
    Actual: 15.28 x 26.94 x 6"
    Designed to Fit:
    Spacegard 2400 #401

    MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour

    $59.77 ea

    as low as $ 43.24 when you buy 2 or more

    filter 20 x 25 1/4 x 3 1/2 - MERV 11
    20 x 25 1/4 x 3 1/2 - MERV 11
    Actual: 20 x 25.25 x 3.5"
    Designed to Fit:
    Spacegard 2120 #102

    MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour

    $64.72 ea

    as low as $ 40.44 when you buy 2 or more

    filter 15 3/4 x 27 5/8 x 3 1/2 - MERV 11
    15 3/4 x 27 5/8 x 3 1/2 - MERV 11
    Actual: 15.75 x 27.63 x 3.75"
    Designed to Fit:
    Spacegard 2140 #104

    MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour

    $58.78 ea

    as low as $ 36.73 when you buy 2 or more

    filter 20 x 25 x 6 - MERV 11
    20 x 25 x 6 - MERV 11
    Actual: 19.75 x 24.25 x 6.38"
    Designed to Fit:
    Spacegard 2200 #201

    MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour

    $66.95 ea

    as low as $ 41.04 when you buy 2 or more