21 1/4" x 22" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 18l 22 1/2" x 28" x

22 1/2" x 28" x 1" MERV 11 - Pleated Air Filter - 6 Pack

13 1/4" x 19 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

21" x 23" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

16" x 30" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack

13 1/2" x 25" x 1" MERV 13 - Pleated Air Filter - 6 Pack

21 1/4" x 22" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 18l 22 1/2" x 28" x21 1 4" x 22" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 21 1 4" x 22" x 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