9" x 13" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:9" x 13" x 1" MERV 11 - Pleated Air Filter 21 1/2" x 23 5/16"

21 1/2" x 23 5/16" x 2" MERV 13 - Pleated Air Filter - 6 Pack

20 3/4" x 20 3/4" x 1" MERV 11 - Pleated Air Filter - 6 Pack

12" x 24" x 6" 65% No Header Rigid Filter - 1 Pack

19" x 31 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

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

9" x 13" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:9" x 13" x 1" MERV 11 - Pleated Air Filter 21 1/2" x 23 5/16"9" x 13" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 9" x 13" 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 tool in