... 400v 5 Please call us for the detailed parametersFSR300 roots air blower|aquaculture blower Key Features 1, the product line ... bearing, gear oil mixed with chassis structural design. Output of air cleaning, dust does not contain any oil. 6, compact ... , motor, pulley, V-belts, pressure gauge, suction silencer (with air filter), bolt, safety valve Fourth, special attachments (configured in accordance ...