21 1/2" x 21 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 17-5l Actual Dimensions: 14" x 20"

Actual Dimensions: 14" x 20" x 1 3/4

17" x 28" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 12 1/2" x 24 1/2" x 3/4"

Actual Dimensions: 23" x 24 1/2" x 3/4"

14" x 14" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack

21 1/2" x 21 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 17-5l Actual Dimensions: 14" x 20"21 1 2" x 21 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 2" x 21 1 2" 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,