18" x 23" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:18" x 23" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 9 7/8" x

Actual Dimensions: 9 7/8" x 15 7/8" x 3/4"

Dust Mites

21" x 23" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 12 1/8" x 15" x 1 3/4"

Actual Dimensions: 16" x 28" x 3/4"

18" x 23" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:18" x 23" x 1" MERV 8 - Premium Pleated Air Filter Actual Dimensions: 9 7/8" x18" x 23" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 18" x 23" 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,