20" x 21 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 28-625w 27 7/8" x 29 7/8"

27 7/8" x 29 7/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 8 1/2" x 9 1/2" x 3/4"

12 1/8" x 15" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

19 3/4" x 29 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

20" x 21 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 28-625w 27 7/8" x 29 7/8"20" x 21 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 19 7 8" x 21 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,