12" x 12" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 8-75l 16 3/8" x 21 1/2"

16 3/8" x 21 1/2" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 9 7/8" x 29 7/8" x 3/4"

13" x 21 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 19 1/2" x 31 1/2" x 3/4"

20" x 24" x 12" 65% With Header Rigid Filter

12" x 12" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 8-75l 16 3/8" x 21 1/2"12" x 12" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 11 3 4" x 11 3 4" 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