17 1/4" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 21-375l 20" x 23 3/4" x

20" x 23 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

20" x 20" x 6" 95% No Header Rigid Filter

20" x 21 1/2" x 2" MERV 13 - Pleated Air Filter - 6 Pack

16 1/2" x 21 5/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

24" x 25" x 4" MERV 11 - Pleated Air Filter - 6 Pack

17 1/4" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 21-375l 20" x 23 3/4" x17 1 4" x 23 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 17 1 4" x 23 1 2" x 3 4" Filtration Group's High Capacity MERV 13 air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 13 Efficiency, LEED compliant, High Efficiency in 2" depth, Advanced media incorporating both charged fibers and traditional mechanical principles, 100% recycled paperboard frame, Easy