21 1/4" x 24 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:21 1/4" x 24 1/2" x 1" MERV 13 - Pleated Air Filter 13 1/2" x 20" x

13 1/2" x 20" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

21 1/2" x 23 5/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

20" x 22" x 4" MERV 11 - Pleated Air Filter - 6 Pack

27" x 27" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

21 1/4" x 24 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:21 1/4" x 24 1/2" x 1" MERV 13 - Pleated Air Filter 13 1/2" x 20" x21 1 4" x 24 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 4" x 24 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