13 5/8" x 29 5/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 19-25l 16 1/2" x 21 1/2"

16 1/2" x 21 1/2" x 1" MERV 11 - Pleated Air Filter - 6 Pack

100% recycled paperboard frame

Actual Dimensions: 21" x 21" x 3/4

Actual Dimensions: 21 5/8" x 29" x 3/4"

29 1/2" x 31 3/4" x 1" MERV 11 - Pleated Air Filter - 6 Pack

13 5/8" x 29 5/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack 19-25l 16 1/2" x 21 1/2"13 5 8" x 29 5 8" x 1" MERV 11 Pleated Air Filter 6 Pack Actual Dimensions: 13 5 8" x 29 5 8" 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,