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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 $5.86 each
($70.30 total)
MERV 4
15%
18x30x1 AIRx DUST Air Filter - MERV 8 [More..] 12 filters $8.45 each
($101.40 total)
MERV 8
40%
Best $$ Value! (based on efficiency and price)
18x30x1 AIRx ALLERGY Air Filter - MERV 11 [More..]
12 filters $9.79 each
($117.48 total)
MERV 11
75%
18x30x1 AIRx DUST Air Filter - MERV 8 [More..] 6 filters $9.95 each
($59.70 total)
MERV 8
40%
18x30x1 AIRx ALLERGY Air Filter - MERV 11 [More..] 6 filters $11.95 each
($71.70 total)
MERV 11
75%
18x30x1 AIRx HEALTH Air Filter - MERV 13 [More..] 12 filters $14.45 each
($173.40 total)
MERV 13
90%
18x30x1 AIRx HEALTH Air Filter - MERV 13 [More..] 6 filters $15.95 each
($95.70 total)
MERV 13
90%
18 x 30 x 1 Filtrete Micro Allergen Reduction Filter - #9828 [More..] 6 filters $17.25 each
($103.50 total)
MERV 11
75%
18x30x1 AIRx ODOR Air Filter - CARBON [More..] 12 filters $17.45 each
($209.40 total)
MERV 4
18x30x1 AIRx ODOR Air Filter - CARBON [More..] 6 filters $18.95 each
($113.70 total)
MERV 4
18 x 30 x 1 Filtrete Ultra Allergen Reduction Filter - #2028 [More..] 6 filters $20.99 each
($125.94 total)
MERV 11
85%