7 1/2" x 41 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 13-75l 11 1/2" x 11 1/2"

11 1/2" x 11 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 15 7/8" x 31 7/8" x 3/4"

13" x 21 1/2" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack

100% recycled paperboard frame

28" x 28" x 1" MERV 13 - Pleated Air Filter - 6 Pack

7 1/2" x 41 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 13-75l 11 1/2" x 11 1/2"7 1 2" x 41 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 7 1 2" x 41 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,