23 1/2" x 29 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:23 1/2" x 29 1/4" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 16 1/2" x

Actual Dimensions: 16 1/2" x 22" x 3/4"

12" x 27" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 15 7/8" x 17 7/8" x 1 3/4"

19 7/8" x 21 1/2" x 2" MERV 6 - Fiberglass Air Filter - 6 Pack

12" x 24" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

23 1/2" x 29 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:23 1/2" x 29 1/4" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 16 1/2" x23 1 2" x 29 1 4" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 23 1 2" x 29 1 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,