27" x 27" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 16-25w 23 5/8" x 23 5/8"

23 5/8" x 23 5/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

19 5/8" x 19 5/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

17" x 29" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

14" x 20" x 2" MERV 4 - Residential Washable Air Filter - 1 Pack

27" x 27" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 16-25w 23 5/8" x 23 5/8"27" x 27" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 27" x 27" 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, valuable tool in