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    American Standard Compatible Air Filter Replacements

    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 14.5 X 27.5 X 1 - MERV 11
    14.5 X 27.5 X 1 - MERV 11
    Actual: 14.25x26.25x0.75"
    Designed to Fit:
    FLR05048

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

    $19.49 ea

    as low as $ 16.49 when you buy 2 or more

    filter 17.5 X 27 X 1 - MERV 11
    17.5 X 27 X 1 - MERV 11
    Actual: 17.13x26.25x0.75"
    Designed to Fit:
    FLR05049

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

    $21.49 ea

    as low as $ 18.49 when you buy 2 or more

    filter 21 X 27 X 1 - MERV 11
    21 X 27 X 1 - MERV 11
    Actual: 20.63x26.26x0.75"
    Designed to Fit:
    FLR05050

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

    $22.49 ea

    as low as $ 19.49 when you buy 2 or more

    filter 21 X 21.5 X 1 - MERV 11
    21 X 21.5 X 1 - MERV 11
    Actual: 20x21.13x0.75"
    Designed to Fit:
    FLR05045

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

    $21.49 ea

    as low as $ 18.49 when you buy 2 or more

    filter 24.5 X 27 X 1 - MERV 11
    24.5 X 27 X 1 - MERV 11
    Actual: 24.25x26.25x0.75"
    Designed to Fit:
    FLR05051

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

    $22.49 ea

    as low as $ 19.49 when you buy 2 or more

    filter 14.5 X 27 X 5 - MERV 11
    14.5 X 27 X 5 - MERV 11
    Actual: 14.2x26.2x5"
    Designed to Fit:
    FLR06078

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

    $82.46 ea

    as low as $ 51.52 when you buy 2 or more

    filter 17.5 X 27 X 5 - MERV 11
    17.5 X 27 X 5 - MERV 11
    Actual: 17.2x26.2x5"
    Designed to Fit:
    FLR06069

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

    $73.21 ea

    as low as $ 51.04 when you buy 2 or more

    filter 21 X 27 X 5 - MERV 11
    21 X 27 X 5 - MERV 11
    Actual: 20.7x26.2x5"
    Designed to Fit:
    FLR06070

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

    $72.41 ea

    as low as $ 45.25 when you buy 2 or more

    filter 21 X 21.5 X 5 - MERV 11
    21 X 21.5 X 5 - MERV 11
    Actual: 20.1x21.1x5"
    Designed to Fit:
    FLR06072

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

    $70.03 ea

    as low as $ 53.63 when you buy 2 or more

    filter 21 X 23.5 X 5 - MERV 11
    21 X 23.5 X 5 - MERV 11
    Actual: 20.1x23.2x5"
    Designed to Fit:
    FLR06073

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

    $85.87 ea

    as low as $ 53.66 when you buy 2 or more

    filter 24.5 X 27 X 5 - MERV 11
    24.5 X 27 X 5 - MERV 11
    Actual: 24.2x26.2x5"
    Designed to Fit:
    FLR06071

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

    $42.49 ea

    as low as $ 39.49 when you buy 2 or more