20" x 21 1/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack 12-125l Actual Dimensions: 23 1/4" x

Actual Dimensions: 23 1/4" x 29 1/4" x 3/4"

22 1/2" x 28" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 21 1/2" x 23" x 3/4"

Actual Dimensions: 17 7/8" x 29 7/8" x 1 3/4"

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

20" x 21 1/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack 12-125l Actual Dimensions: 23 1/4" x20" x 21 1 4" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 20" x 21 1 4" 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