INOVTE DB-4D Dryer Box Downward Exhaust, 22 gauge aluminized steel weighing 4.31 pounds each, Lower port measures 4 1/8" with very slight oval shape, Distance from nailing flange to rear of box is 4 1/4", Overall measurements: 19" h x 16 3/4" w x 5 1/8" deep, Inside measures 14" wide x 16" tall
