28" x 28" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:28" x 28" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 19 7/8" x

Actual Dimensions: 19 7/8" x 21 7/8" x 3 3/4"

Actual Dimensions: 21 7/8" x 35 7/8" x 1 3/4"

Actual Dimensions: 16 1/2" x 21 5/8" x 1 3/4"

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

28" x 28" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:28" x 28" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 19 7/8" x28" x 28" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 28" x 28" x 3 4" Filtration Group's pleated air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 8 efficiency, UL Classified, LEED point certification, 100% recycled paperboard frame, low resistance to air flow minimizes energy costs, 100% synthetic media is moisture resistant, no electrostatic charge,