This Ultrasonic Mixing Unit ensures ultra-smooth mixing for all investments and gypsums. It features durable heavy-duty mixing bowls with a clearly marked "maximum fill line" and includes Inox stainless steel spatulas. The unit is equipped with a built-in programmable digital timer with an "Auto-Stop" function, simplifying operation. With no oil or vacuum pump to maintain and fewer internal moving parts, it offers low-maintenance reliability. The unit can be used on a table or wall-mounted, and the built-in air pressure regulator ensures optimal vacuum control for efficient mixing. Return Policy30 Day Return Policy. Free Return. 60 Day warranty, money back guaranteed!