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Now Showing: 18" x 24" x 1" Filters
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  Product Quantity Price Efficiency [?] Purchase
Fiberglass 18" X 24" X 1" Panel Filter- Equipment Protection [More..] 12 filters $3.37 each
($40.40 total)
MERV 4
15%
18x24x1 AIRx DUST Air Filter - MERV 8 [More..] 12 filters $4.95 each
($59.40 total)
MERV 8
40%
Best $$ Value! (based on efficiency and price)
18x24x1 AIRx ALLERGY Air Filter - MERV 11 [More..]
12 filters $6.79 each
($81.48 total)
MERV 11
75%
Air Guard 18" X 24" X 1" DP-40 Max Pleated Filter [More..] 12 filters $6.87 each
($82.40 total)
MERV 7
40%
18x24x1 AIRx DUST Air Filter - MERV 8 [More..] 6 filters $6.95 each
($41.70 total)
MERV 8
40%
18x24x1 AIRx ALLERGY Air Filter - MERV 11 [More..] 6 filters $8.95 each
($53.70 total)
MERV 11
75%
18x24x1 AIRx ODOR Air Filter - Carbon [More..] 12 filters $11.79 each
($141.48 total)
MERV 8
18x24x1 AIRx HEALTH Air Filter - MERV 13 [More..] 12 filters $12.95 each
($155.40 total)
MERV 13
90%
18x24x1 AIRx ODOR Air Filter - Carbon [More..] 6 filters $13.95 each
($83.70 total)
MERV 8
18 x 24 x 1 Filtrete Micro Allergen Reduction Filter - #9821 [More..] 6 filters $14.55 each
($87.30 total)
MERV 11
75%
18x24x1 AIRx HEALTH Air Filter - MERV 13 [More..] 6 filters $14.95 each
($89.70 total)
MERV 13
90%
18 x 24 x 1 Filtrete Ultimate Allergen Reduction Filter - UA21DC-6 [More..] 6 filters $20.99 each
($125.94 total)
MERV 12
90%
18 x 24 x 1 Filtrete Ultra Allergen Reduction Filter - #2021 [More..] 6 filters $21.14 each
($126.83 total)
MERV 11
85%