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Now Showing: 18" x 30" x 1" Filters
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  Product Quantity Price Efficiency [?] Purchase
Fiberglass 18" X 30" X 1" Panel Filter- Equipment Protection [More..] 12 filters $5.44 each
($65.30 total)
MERV 4
15%
18x30x1 AIRx DUST Air Filter - MERV 8 [More..] 12 filters $7.95 each
($95.40 total)
MERV 8
40%
18x30x1 AIRx DUST Air Filter - MERV 8 [More..] 6 filters $8.95 each
($53.70 total)
MERV 8
40%
Best $$ Value! (based on efficiency and price)
18x30x1 AIRx ALLERGY Air Filter - MERV 11 [More..]
12 filters $9.29 each
($111.48 total)
MERV 11
75%
18x30x1 AIRx ALLERGY Air Filter - MERV 11 [More..] 6 filters $10.95 each
($65.70 total)
MERV 11
75%
18x30x1 AIRx HEALTH Air Filter - MERV 13 [More..] 12 filters $13.95 each
($167.40 total)
MERV 13
90%
18x30x1 AIRx HEALTH Air Filter - MERV 13 [More..] 6 filters $14.95 each
($89.70 total)
MERV 13
90%
18 x 30 x 1 Filtrete Micro Allergen Reduction Filter - #9828 [More..] 6 filters $15.25 each
($91.50 total)
MERV 11
75%
18x30x1 AIRx ODOR Air Filter - CARBON [More..] 12 filters $16.95 each
($203.40 total)
MERV 4
18x30x1 AIRx ODOR Air Filter - CARBON [More..] 6 filters $17.95 each
($107.70 total)
MERV 4
18 x 30 x 1 Filtrete Ultra Allergen Reduction Filter - #2028 [More..] 6 filters $19.99 each
($119.94 total)
MERV 11
85%