28" x 28" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 7-75l 22" x 36" x 1"

22" x 36" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 15" x 23" x 3/4"

20" x 20" x 6" 65% With Header Rigid Filter

Actual Dimensions: 22" x 36" x 3/4

24" x 24" x 12" 65% No Header Rigid Filter

28" x 28" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 7-75l 22" x 36" x 1"28" x 28" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 28" x 28" 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, valuable tool in