... & dry 1)Cooling system individual independence 2)vacuum water,acud,oil,alkali 3)Dust collection of ... can be used continuously for a ling time, can be vacuum water, acide, oil, alkali, corrosion resistance, resistance ... office buiding,and all type of cleaning industry, random attachment. Technical Specification(Vacuum Suction Machine Art no.:FL-1232CN- ... diameter 36mmPaking 45*41.5*63 Vacuum Cleaner