15" x 21" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:15" x 21" x 1" MERV 8 - Premium Pleated Air Filter 23 1/4" x 23 1/4"

23 1/4" x 23 1/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

18" x 25" x 2" Permanent Washable Air Filter - 1 Pack

Unlike disposable filters made with sharp metal

Actual Dimensions: 18 3/4" x 20 3/4" x 3/4"

Each Filtration Group Rigid Filter utilizes a high-density filter media composed of ultra-fine glass fibers laminated to reinforced

15" x 21" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack MERV 8 -Pleated Air Filter:15" x 21" x 1" MERV 8 - Premium Pleated Air Filter 23 1/4" x 23 1/4"15" x 21" x 1" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 15" x 21" 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,