The DVTS-1000 is constructed of 300 series stainless steel. Electrical is 230V/60/3 PH (15 amp service) with a 5 HP motor (hydraulic drive) and a 1/2 HP vacuum pump. Controls include a timer, start/stop, forward/reverse, speed (from 0 to 15 RPM) and vacuum pump (gauge has a range of 0-30" of mercury.) The optional removable mixing paddles turn the tumbler into a vacuum mixer.Features: