24" x 28" x 4" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack merv-11 Actual Dimensions: 20" x 20"

Actual Dimensions: 20" x 20" x 1 3/4

23" x 23" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

20" x 20" x 6" 65% No Header Rigid Filter

12 1/8" x 15" x 1" MERV 13 - Pleated Air Filter - 6 Pack

with each stage capturing progressively smaller particles inside the filter

24" x 28" x 4" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack merv-11 Actual Dimensions: 20" x 20"24" x 28" x 4" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 23 7 8" x 27 7 8" x 3 3 4" Filtration Group's High Capacity MERV 11 air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 11 efficiency, UL Classified, LEED point certification, 100% recycled paperboard frame, low resistance to air flow minimizes energy costs, 100% synthetic media is moisture resistant, valuable