Designed for vacuum mixing all types of gypsums, plasters and investments. Utilizing multiple stages, this unit can be programmed for time, speed, and paddle direction. Its premix stage blends powder and liquid using alternating paddle direction, eliminating the need to hand mix. Enter up to 25 separate programs. Twin-chamber, oil-less vacuum pump offers powerful vacuum quickly, providing bubble-free mix. Its space-saving design takes up less room.