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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
21 1/4" x 23 1/4" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack
10" x 20" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack
13" x 21 1/2" x 4" MERV 13 - Pleated Air Filter - 6 Pack
13 1/2" x 29 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack
21 1/2" x 23 1/2" x 1" MERV 11 - Pleated Air Filter - 6 Pack
20 1/2" x 26 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack merv-4 21 1/4" x 23 1/4"20 1 2" x 26 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 20 1 2" x 26 1 2" x 3 4" Filtration Group's High Capacity MERV 11 air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 11 efficiency, UL Classified, LEED point certification, 100% recycled paperboard frame, low resistance to air flow minimizes energy costs, 100% synthetic media is moisture resistant,
