... pneumatic power tool 1.purify water and air 2.oxygen making 3.oil free air delivery 4.cast iron fame pneumatic power ... 0.8-122.6m³/minPressure: 9.8-78.5Kpa Motor Power:0.75-300kw Rotary speed:740-2130rpm3.Free charge ... unit include Common Base ,V-belt cover,Blower Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter),Safety ... ,non return valve.4.Contact roots blower pneumatic power tool