12 1/2" x 21" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 29-625w 12" x 30" x 4"

12" x 30" x 4" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 24 1/2" x 31 1/2" x 3/4"

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

30" x 30" x 1" Permanent Washable Air Filter - 1 Pack

Actual Dimensions: 15" x 15" x 3/4"

12 1/2" x 21" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 29-625w 12" x 30" x 4"12 1 2" x 21" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 12 1 2" x 21" 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