20 1/2" x 21 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:20 1/2" x 21 1/2" x 1" MERV 8 - Premium Pleated Air Filter 16" x 20" x 1"

16" x 20" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

valuable tool in achieving LEED certification points

20" x 21" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

high strength nylon backing

20 1/2" x 21 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:20 1/2" x 21 1/2" x 1" MERV 8 - Premium Pleated Air Filter 16" x 20" x 1"20 1 2" x 21 1 2" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 20 1 2" x 21 1 2" 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