21 1/2" x 25" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 17-875l 24" x 36" x 2"

24" x 36" x 2" MERV 11 - Pleated Air Filter - 6 Pack

20" x 22" x 4" MERV 11 - Pleated Air Filter - 6 Pack

Actual Dimensions: 16" x 16" x 1 3/4

25 1/2" x 28 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

15" x 20" x 1" MERV 13 - Pleated Air Filter - 6 Pack

21 1/2" x 25" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 17-875l 24" x 36" x 2"21 1 2" x 25" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 2" x 25" 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