... and air 3.long serve lifetime 4.different capacity choosen Roots Blower Applications·Water TreatmentPlantsfor backwashing of filter/mixed ... and other similar materials·Bag Filtersfor reverse cleaning of filter bags·Pneumatic Conveying vacuum, pressure and combination conveying ... Blower Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter),Safety Valve,Pressure Gauge,Lubricating Oil,Anchor Bolt, ...