Step Up 120 A Best described as a pure high flow material pump for self-leveling materials and non-shrink grouts.

Quietly Spray and Pump Large Volumes
Best described as a pure high flow material pump for self-leveling materials and non-shrink grouts. It's designed to give 9.5 cubic yard per hour performance efficiently and quietly in restricted job site environments. Its sole mission is to pump large quantities of material through its high flow rotor/stator pumping system. Pump or spray mortars, stuccos, grouts, restoration mortars, underlayments, fireproofing, waterproofing and many other materials.