... rapidly from body cavity or wound to satisfy most demands in operation rooms,wards and so on.I.FeaturesA oil- ... impregnated vanes pump,Large-bore bottle,transparent hoses and unique connections,unit case made of engineering plastics,external ... reduces bacterium in absorbed liquid to environamental pollution.compact,light weight,put-and-pull smoothly,convenient to move.II.SpecificationsMax.Vacuum:≥0 ...