20" x 20" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 17-5w 18" x 25" x 2"

18" x 25" x 2" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 17 7/8" x 29 7/8" x 3 3/4"

15" x 30" x 2" MERV 11 - Pleated Air Filter - 6 Pack

15" x 25" x 2" MERV 11 - Pleated Air Filter - 6 Pack

Actual Dimensions: 18" x 24" x 1 3/4

20" x 20" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 17-5w 18" x 25" x 2"20" x 20" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 19 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, valuable