23 3/4" x 23 3/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 13-375l 12" x 24" x 12"

12" x 24" x 12" 65% No Header Rigid Filter - 1 Pack

Actual Dimensions: 16 1/2" x 27 1/2" x 3/4"

20" x 22 1/4" x 4" MERV 11 - Pleated Air Filter - 6 Pack

12" x 24" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

23 3/4" x 23 3/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 13-375l 12" x 24" x 12"23 3 4" x 23 3 4" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 23 3 4" x 23 3 4" 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