13 5/8" x 23 5/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:13 5/8" x 23 5/8" x 1" MERV 11 - Pleated Air Filter 19" x 19" x 1"

19" x 19" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

18" x 24" x 4" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 16" x 18 1/2" x 3/4"

15" x 30" x 1" Permanent Washable Air Filter - 1 Pack

17 3/8" x 23 1/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

13 5/8" x 23 5/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:13 5/8" x 23 5/8" x 1" MERV 11 - Pleated Air Filter 19" x 19" x 1"13 5 8" x 23 5 8" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 13 5 8" x 23 5 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,