30 Gallon Oil Drainer,Waste Oil Drainer,Pneumatic Oil Extractor.Waste Oil Suction Machine N.W.:33kg 30 Gallon Oil Drainer,Waste Oil Drainer,Pneumatic Oil Extractor.Waste Oil Suction MachineModel: LD-D03301N.W ... with large wheels and swivel castors;6* Oil level sight gauge7* Working pressure:7PSI 30 Gallon Oil Drainer,Waste Oil Drainer,Pneumatic Oil Extractor.Waste Oil Suction Machine