1)Cooling system individual independence 2)vacuum water,acud,oil,alkali 3)Dust collection of up to ... , can be used continuously for a ling time, can be vacuum water, acide, oil, alkali, corrosion resistance, resistance to impact, the ... of cleaning industry, random attachment. Technical Specification(Vacuum Suction Machine Art no.:FL-1245CN-YJ) Function Wet and dryCapacity 45LPower 1000WVoltage 220 ...