20" x 23" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:20" x 23" x 1" MERV 13 - Pleated Air Filter Actual Dimensions: 13 1/2" x

Actual Dimensions: 13 1/2" x 27 1/2" x 3/4"

Actual Dimensions: 6" x 24" x 3/4"

24" x 29" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

high strength nylon backing

Actual Dimensions: 19 1/4" x 22" x 3/4"

20" x 23" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:20" x 23" x 1" MERV 13 - Pleated Air Filter Actual Dimensions: 13 1/2" x20" x 23" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 19 7 8" x 22 7 8" 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