16 1/2" x 21 3/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:16 1/2" x 21 3/8" x 1" MERV 11 - Pleated Air Filter 13 3/4" x 29 3/4"

13 3/4" x 29 3/4" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 11 3/8" x 23 3/8" x 3/4"

22" x 28" x 1" Permanent Washable Air Filter - 1 Pack

Actual Dimensions: 24 7/8" x 24 7/8" x 3 3/4"

16 1/2" x 21 3/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:16 1/2" x 21 3/8" x 1" MERV 11 - Pleated Air Filter 13 3/4" x 29 3/4"16 1 2" x 21 3 8" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 16 1 2" x 21 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,