21 1/4" x 23 1/4" x 4" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-25w Actual Dimensions: 13 7/8" x

Actual Dimensions: 13 7/8" x 17 7/8" x 3 3/4"

16" x 18 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

7 7/8" x 19 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 10" x 35" x 3/4"

21 1/4" x 23 1/4" x 4" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 11-25w Actual Dimensions: 13 7/8" x21 1 4" x 23 1 4" x 4" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 4" x 23 1 4" x 3 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