18" x 20" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 23-75w 23 3/8" x 29 3/8"

23 3/8" x 29 3/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

14" x 16" x 1" MERV 13 - Pleated Air Filter - 6 Pack

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

Actual Dimensions: 17 1/2" x 23 1/4" x 3/4"

18" x 20" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 23-75w 23 3/8" x 29 3/8"18" x 20" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 17 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