... powerful, compressed-air driven suction pneumatic vacuum cleaners CAMVAC CV-500 PNEUMATIC pneumatic vacuum cleanersVACUUM CLEANERContinuous, powerful, compressed-airdriven suction ... cleaners; It is able to tackle water, oil, metal chips, grains gravel, mud, sand etc. Lightweight, easy to ... fits snugly onto the rubber groove of the cleaner. Vacuum suction pressure alone causes the pail to latch on to ...