filterbuy

    Shop by

    air-filters
    >

    Carrier 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 13 X 21.5 X 1 - MERV 11
    13 X 21.5 X 1 - MERV 11
    Actual: 13x21.5x1"

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

    $27.74 ea

    as low as $ 17.83 when you buy 2 or more

    filter 16.5 X 21.5 X 1 - MERV 11
    16.5 X 21.5 X 1 - MERV 11
    Actual: 16.38x21.5x1"

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

    $36.47 ea

    as low as $ 20.24 when you buy 2 or more

    filter 19.75 X 21.5 X 1 - MERV 11
    19.75 X 21.5 X 1 - MERV 11
    Actual: 19.88x21.5x1"

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

    $21.41 ea

    as low as $ 17.74 when you buy 2 or more

    filter 21.5 X 23.5 X 1 - MERV 11
    21.5 X 23.5 X 1 - MERV 11
    Actual: 21.5x23.5x1"

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

    $34.12 ea

    as low as $ 21.43 when you buy 2 or more

    filter 16 X 20 X 5 - MERV 13
    16 X 20 X 5 - MERV 13
    Actual: 15.88x19.75x4.38"
    Designed to Fit:
    FILXXFNC-0017

    MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

    $81.92 ea

    as low as $ 51.19 when you buy 2 or more

    filter 16 X 25 X 5 - MERV 11
    16 X 25 X 5 - MERV 11
    Actual: 15.88x24.75x4.38"
    Designed to Fit:
    FILXXCAR-0016

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

    $58.18 ea

    as low as $ 35.34 when you buy 2 or more

    filter 19 X 20 X 5 - MERV 11
    19 X 20 X 5 - MERV 11
    Actual: 19.13x19.88x4.25"
    Designed to Fit:
    FILXXFNC-0021

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

    $46.14 ea

    as low as $ 42.64 when you buy 2 or more

    filter 20 X 23 X 5 - MERV 11
    20 X 23 X 5 - MERV 11
    Actual: 19.88x22.63x4.25"
    Designed to Fit:
    FILXXFNC-0024

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

    $86.68 ea

    as low as $ 54.16 when you buy 2 or more

    filter 20 X 25 X 5 - MERV 11
    20 X 25 X 5 - MERV 11
    Actual: 19.88x24.75x4.38"
    Designed to Fit:
    FILXXCAR-0020

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

    $47.99 ea

    as low as $ 28.99 when you buy 2 or more

    filter 24 X 25 X 5 - MERV 11
    24 X 25 X 5 - MERV 11
    Actual: 23.75x24.75x4.38"
    Designed to Fit:
    FILXXCAR-0024

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

    $68.11 ea

    as low as $ 42.56 when you buy 2 or more

    ;