... & dry 1)Cooling system individual independence 2)vacuum water,acud,oil,alkali 3)Dust collection of ... be used continuously for a ling time, can be vacuum water, acide, oil, alkali, corrosion resistance, resistance ... large workshop, commercial office buiding,and all type of cleaning industry, random attachment. Technical Specification(Vacuum Suction Machine ... diameter 36mmPaking 45*41.5*63 Vacuum Cleaner