... 400v 5 Please call us for the detailed parametersFSR80 air exhaust blower|vacuum roots blowerKey Features 1, the product line ... using clover-type impeller, spiral structureexhaust, exhaust pulse gently, less vibration and low noise. 2, the ... and light weight. Third, standard accessories: Common base, belt cover, fan, pulley, motor, pulley, V-belts,pressure gauge, suction silencer ( ...