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 1"

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

Actual Dimensions: 15" x 18" x 3/4"

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

Actual Dimensions: 13 7/8" x 21 7/8" x 3/4"

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 1"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