... , engineered stone and etc. 2.Flat finish, fast,easy operate side-exhaust air polisher ModelYBA-2Air Consumption16cfm(0.45m3/min)Air ... be adjusted for variable water-flow.6. Includes a reversible side handle, exhaust muffler, air hose adapter and water valve with hose ... -hand operation.9. Rubber sleeve keeps hands from getting cold. side-exhaust air polisher