21 1/4" x 24" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:21 1/4" x 24" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 13 7/8" x

Actual Dimensions: 13 7/8" x 21 7/8" x 1 3/4"

Actual Dimensions: 15 1/2" x 19 1/2" x 1 3/4"

12" x 24" x 6" 65% With Header Rigid Filter

Actual Dimensions: 27 7/8" x 29 7/8" x 3/4"

21 1/4" x 24" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:21 1/4" x 24" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 13 7/8" x21 1 4" x 24" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 21 1 4" x 24" 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