17 1/4" x 23 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 27-5w 12" x 24" x 12"

12" x 24" x 12" 85% With Header Rigid Filter - 1 Pack

Actual Dimensions: 17" x 19" x 3/4"

13 7/8" x 21 1/8" x 1" MERV 11 - Pleated Air Filter - 6 Pack

10" x 45" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

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

17 1/4" x 23 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 27-5w 12" x 24" x 12"17 1 4" x 23 1 4" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 17 1 4" x 23 1 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,