21 3/8" x 24 3/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:21 3/8" x 24 3/8" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 11 7/8" x

Actual Dimensions: 11 7/8" x 35 7/8" x 3/4"

Actual Dimensions: 15 7/8" x 29 7/8" x 3 3/4"

Actual Dimensions: 12" x 24" x 1 3/4

Actual Dimensions: 22 7/8" x 25 7/8" x 3/4"

20" x 36" x 1" MERV 11 - Pleated Air Filter - 6 Pack

21 3/8" x 24 3/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:21 3/8" x 24 3/8" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 11 7/8" x21 3 8" x 24 3 8" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 21 3 8" x 24 3 8" 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,