18 1/2" x 19 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:18 1/2" x 19 1/2" x 1" MERV 11 - Pleated Air Filter 18" x 36" x 1"

18" x 36" x 1" MERV 13 - Pleated Air Filter - 6 Pack

18 1/2" x 22" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

30" x 30" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack

25" x 32" x 1" MERV 13 - Pleated Air Filter - 6 Pack

expanded metal grid

18 1/2" x 19 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:18 1/2" x 19 1/2" x 1" MERV 11 - Pleated Air Filter 18" x 36" x 1"18 1 2" x 19 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 18 1 2" x 19 1 2" x 3 4" Filtration Group's High Capacity MERV 11 air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 11 efficiency, UL Classified, LEED point certification, 100% recycled paperboard frame, low resistance to air flow minimizes energy costs, 100% synthetic media is moisture resistant,