11 3/4" x 11 3/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 1d 20" x 34" x 4"

20" x 34" x 4" MERV 13 - Pleated Air Filter - 6 Pack

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

Factory made to fit with no hassles or problems cutting and sizing adjustable filters

20 7/8" x 20 7/8" x 1" MERV 11 - Pleated Air Filter - 6 Pack

21 1/4" x 23 1/4" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

11 3/4" x 11 3/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 1d 20" x 34" x 4"11 3 4" x 11 3 4" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 11 3 4" x 11 3 4" 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,