21 1/2" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-125l 12" x 12" x 4"

12" x 12" x 4" MERV 11 - Pleated Air Filter - 6 Pack

20" x 25" x 2" Permanent Washable Air Filter - 1 Pack

Actual Dimensions: 12 1/4" x 15" x 3/4"

Actual Dimensions: 16" x 24 1/2" x 3/4"

21 1/2" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-125l 12" x 12" x 4"21 1 2" x 23 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 2" 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