14" x 21" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:14" x 21" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 18 1/2" x

Actual Dimensions: 18 1/2" x 21 1/2" x 3/4"

17 1/2" x 20" x 1" MERV 11 - Pleated Air Filter - 6 Pack

15 3/4" x 21 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

19 1/2" x 26 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

14" x 21" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:14" x 21" x 1" MERV 11 - Pleated Air Filter Actual Dimensions: 18 1/2" x14" x 21" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 14" x 21" 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