Used 1 Cu Ft Patterson-Kelley Twin Shell Dry Blender. Carbon Steel. Maximum material density 300 pounds per cubic foot. (2) 10" Diameter charge ports with quick release covers. Shell driven by a 3/4hp, 3/60/208-220/440 volt gear motor, ratio 60 to 1. Oval center bottom outlet with cover. Mounted on a carbon steel stands. Serial# 92806.