19 1/2" x 20 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:19 1/2" x 20 1/2" x 1" MERV 13 - Pleated Air Filter 12" x 15" x 1"

12" x 15" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

16" x 30" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 21 1/4" x 23" x 3/4"

18" x 36" x 1" Permanent Washable Air Filter - 1 Pack

19 1/2" x 20 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:19 1/2" x 20 1/2" x 1" MERV 13 - Pleated Air Filter 12" x 15" x 1"19 1 2" x 20 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 19 1 2" x 20 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