20" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 9-25l 20" x 20" x 6"

20" x 20" x 6" 85% No Header Rigid Filter

9 1/2" x 16 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

23 1/2" x 29 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 21 1/4" x 24 1/2" x 3/4"

20" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 9-25l 20" x 20" x 6"20" x 23 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 20" x 23 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