19 1/4" x 23 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:19 1/4" x 23 1/4" x 1" MERV 11 - Pleated Air Filter 20" x 24" x 12"

20" x 24" x 12" 95% No Header Rigid Filter - 1 Pack

18" x 22" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack

21 3/8" x 23 3/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 20" x 21 5/8" x 3/4"

Actual Dimensions: 13 7/8" x 21 7/8" x 3/4"

19 1/4" x 23 1/4" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:19 1/4" x 23 1/4" x 1" MERV 11 - Pleated Air Filter 20" x 24" x 12"19 1 4" x 23 1 4" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 19 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,