Patterson-Kelley 5 CF Twin Shell Dry Blender, 304 Stainless Steel. Maximum material density 65 pounds per cubic foot. Approximate 20" discharge ports with quick release covers. Shell driven by a 3/4hp, 3/60/230/460 volt, 1750 rpm gear motor with 31.19:1 gearbox ratio. 8" Center bottom outlet with butterfly valve. Mounted on a painted carbon steel stands. Serial# 132944