15" x 20" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack 30l Instead of face loading (particles

Instead of face loading (particles captured on the outer surface of the filter) the filter uses stage loading

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

Actual Dimensions: 25" x 28" x 3/4"

14" x 32" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 13 1/2" x 20" x 3/4"

15" x 20" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack 30l Instead of face loading (particles15" x 20" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 14 7 8" x 19 7 8" 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