LABORATORY SIZE DOUBLE SIGMA BLADE MIXER. THIS IS A STAINLESS STEEL MIXER MEASURING 12.5" X 13.5" X 11.5"DEEP WITH A MAX CAPACITY OF APP 7 GALLONS. IT HAS A MILD STEEL JACKET, PNEUMATIC TILT DISCHARGE AND IS VACUUM CAPABLE. BLADES DO NOT INTERWEAVE. Capacity - 4.5 GALLON