20" x 20" x 4" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:20" x 20" x 4" MERV 13 - Pleated Air Filter 20" x 24" x 2"

20" x 24" x 2" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 19 7/8" x 21 7/8" x 1 3/4"

17 1/4" x 21 1/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 18 5/8" x 25 3/8" x 3/4"

20" x 20" x 4" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:20" x 20" x 4" MERV 13 - Pleated Air Filter 20" x 24" x 2"20" x 20" x 4" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 19 1 2" x 19 1 2" x 3 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