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 21 1/4" x 23 1/4"

21 1/4" x 23 1/4" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

20" x 21 1/2" x 2" MERV 11 - Pleated Air Filter - 6 Pack

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

24" x 24" x 1" Permanent Washable Air Filter - 1 Pack

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 21 1/4" x 23 1/4"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,