9 3/4" x 15 3/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:9 3/4" x 15 3/4" x 1" MERV 11 - Pleated Air Filter 22" x 26" x 2"

22" x 26" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack

18" x 20" x 2" MERV 11 - Pleated Air Filter - 6 Pack

you may need to change your filter more frequently than once a month

12 1/2" x 24 1/2" x 4" MERV 13 - Pleated Air Filter - 6 Pack

20" x 22 1/4" x 4" MERV 11 - Pleated Air Filter - 6 Pack

9 3/4" x 15 3/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:9 3/4" x 15 3/4" x 1" MERV 11 - Pleated Air Filter 22" x 26" x 2"9 3 4" x 15 3 4" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 9 3 4" x 15 3 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,