{ "prefetch": [ { "where": {"and": [ {"href_matches": "/*"}, { "not": { "href_matches": "/cart" } }, { "not": { "href_matches": "/auth/view/signin*" } } ]}, "eagerness": "moderate" } ] } Search Results for 3 pack 18x18x1 air filters at The Home Depot
#1 Home Improvement Retailer

    Cart

    Cart

    Home
    Heating, Venting & Cooling
    Air Filters

    3 pack 18x18x1 air filters

    389 Results
    Filters
    Filters
    Clear All

    Get It Fast

    caret-icon

    Department

    caret-icon
    Air Filters

    Subscription Eligible

    caret-icon

    Review Rating

    caret-icon
    54 & Up3 & Up2 & Up1 & Up0

    Brand

    caret-icon

    Price

    caret-icon
    to

    Installation

    caret-icon

    New Arrival

    caret-icon

    Air Filter Depth (in.)

    caret-icon

    Most Popular Sizes

    caret-icon

    Air Filter Size

    caret-icon

    MERV Rating (Minimum Efficiency Reporting Value)

    caret-icon

    Air Filter Features

    caret-icon

    Filter Performance Rating (FPR)

    caret-icon

    Contaminants Captured

    caret-icon

    Filter Material

    caret-icon

    Air Filter Height (in.)

    caret-icon

    Air Filter Width (in.)

    caret-icon

    Pack Size

    caret-icon

      Sort by

      Best Match
    Exclusive
    18 in. x 18 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 818 in. x 18 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
    (4.7 / 32016)
    Model# HDX1P5-011818
    $5.98
    18 in. x 18 in. x 1 in. Permanent Washable Air Filter Merv 8
    (4.3 / 379)
    Model# ES18181
    $49.95
    18 in. x 18 in. x 1 in. Fiberglass Air Filter
    (4.1 / 24)
    Model# 11104-011818
    $2.48
    Exclusive
    18 in. x 18 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 1118 in. x 18 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11
    (4.6 / 16567)
    Model# HDX1P7-011818
    $15.97
    Buy 4 or more $7.99
    Exclusive
    18 in. x 18 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 1318 in. x 18 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 13
    (4.6 / 16567)
    Model# HDX1P10-011818
    $24.97
    Buy 4 or more $12.49
    Exclusive
    18 in. x 18 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 1218 in. x 18 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12
    (4.6 / 16567)
    Model# HDX1P9-011818
    $20.97
    Buy 4 or more $10.49
    18 in. x 18 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8
    (3.5 / 62)
    Model# 1818F
    $48.49
    Exclusive
    18 in. x 18 in. x 1 in. Ultimate Allergen Pleated Air Filter FPR 12, MERV 1318 in. x 18 in. x 1 in. Ultimate Allergen Pleated Air Filter FPR 12, MERV 13
    (4.6 / 11047)
    Model# 61201.011818
    $24.97
    Buy 4 or more $12.49

    Loading Recommendations

    Exclusive
    14 in. x 18 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 814 in. x 18 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
    (4.7 / 32016)
    Model# HDX1P5-011418
    $5.98
    Exclusive
    18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 818 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
    (4.7 / 32016)
    Model# HDX1P5-011836
    $5.98
    Exclusive
    18 in. x 20 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 818 in. x 20 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
    (4.7 / 32016)
    Model# HDX1P5-011820
    $5.97
    Exclusive
    18 in. x 25 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 818 in. x 25 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
    (4.7 / 32016)
    Model# HDX1P5-011825
    $5.98

    Viewing 1-24 of 389

    Loading Recommendations

    Loading Recommendations