Perforated Return Air Filter Grille with Plenum Box - 24 x 24 T-Bar Lay-in Drop Ceiling Width_20in Actual Filter Size – 19 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 19 3/4"w x 33 3/4" x 1"

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

it provides a seamless solution for noise control

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening)

+ Product Details Size – 12"w X 12"h

Perforated Return Air Filter Grille with Plenum Box 24 x 24 T Bar Lay in Drop Ceiling Width_20in Actual Filter Size – 19 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 19 3 4"w x 33 3 4" x 1" +Product Details Size – 2"h x 12"w is the size for the duct opening measurement only