7 3/4" x 23 3/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-75w 14" x 36" x 1"

14" x 36" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

valuable tool in achieving LEED certification points

20" x 21 1/4" x 1" MERV 13 - Pleated Air Filter - 6 Pack

19 1/2" x 24 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 11 1/2" x 14" x 3/4"

7 3/4" x 23 3/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-75w 14" x 36" x 1"7 3 4" x 23 3 4" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 7 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