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Now Showing: 20" x 20" x 1" Filters
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  Product Quantity Price Efficiency [?] Purchase
Fiberglass 20" X 20" X 1" Panel Filter - Equipment Protection [More..] 12 filters $3.11 each
($37.28 total)
MERV 4
15%
20x20x1 AIRx DUST Air Filter - MERV 8 [More..] 12 filters $4.95 each
($59.40 total)
MERV 8
40%
Air Guard 20" X 20" X 1" DP-40 Max Pleated Filter [More..] 12 filters $6.58 each
($78.90 total)
MERV 7
40%
20x20x1 AIRx ALLERGY Air Filter - MERV 11 [More..] 12 filters $6.75 each
($81.00 total)
MERV 11
75%
20x20x1 AIRx DUST Air Filter - MERV 8 [More..] 6 filters $6.95 each
($41.70 total)
MERV 8
40%
20x20x1 AIRx DUST Replacement for Lennox 98N43 Air Filter - MERV 8 [More..] 6 filters $7.33 each
($43.95 total)
MERV 8
45%
Best $$ Value! (based on efficiency and price)
20x20x1 AIRx HEALTH Air Filter - MERV 13 [More..]
12 filters $7.45 each
($89.40 total)
MERV 13
90%
20x20x1 AIRx ODOR Air Filter - Carbon MERV 8 [More..] 12 filters $7.95 each
($95.40 total)
MERV 8
20x20x1 AIRx ALLERGY Air Filter - MERV 11 [More..] 6 filters $8.75 each
($52.50 total)
MERV 11
75%
20x20x1 AIRx HEALTH Air Filter - MERV 13 [More..] 6 filters $10.45 each
($62.70 total)
MERV 13
90%
20x20x1 AIRx ODOR Air Filter - Carbon MERV 8 [More..] 6 filters $10.95 each
($65.70 total)
MERV 8
20 x 20 x 1 Filtrete Dust & Pollen Reduction Filter - #9832 [More..] 6 filters $12.66 each
($75.95 total)
MERV 8
40%
20 x 20 x 1 Filtrete Micro Allergen Reduction Filter - #9802 [More..] 6 filters $14.55 each
($87.30 total)
MERV 11
75%
20 x 20 x 1 Filtrete Ultra Allergen Reduction Filter - #2002 [More..] 6 filters $18.28 each
($109.66 total)
MERV 11
85%
20 x 20 x 1 Filtrete Ultimate Allergen Reduction Filter - UA02DC-6 [More..] 6 filters $20.99 each
($125.94 total)
MERV 12
90%
20 x 20 x 1 Filtrete Elite Allergen Reduction Filter - EA02DC-6 [More..] 6 filters $25.25 each
($151.50 total)
MERV 13
90%
20" X 20" X 1" Lifetime Permanent Washable Filter [More..] 1 filter $39.99 each
($39.99 total)
20%