18" x 27 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:18" x 27 1/2" x 1" MERV 11 - Pleated Air Filter 19" x 19" x 1"

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

10" x 54" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

27 3/4" x 35 3/4" x 1" MERV 11 - Pleated Air Filter - 6 Pack

12" x 24" x 6" 65% With Header Rigid Filter

19 7/8" x 21 1/2" x 2" MERV 13 - Pleated Air Filter - 6 Pack

18" x 27 1/2" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:18" x 27 1/2" x 1" MERV 11 - Pleated Air Filter 19" x 19" x 1"18" x 27 1 2" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 18" x 27 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