Air Drum Pumps, 29 GPMExamples of Liquids: Acids, alkalis, galvanic fluids, phosphates, sulphates, nitrates, chlorates, paints, inks, water, oils, sulphites; DRUM PUMPS: Sealless pumps suitable for pumping clean, dirty thin bodied, slightly viscous, aggressive and non aggressive liquids out of drums and containers. Pump tube is non lubricated, thus preventing contamination of the liquids pumped. Comes with 39" pump tube and stainless steel or Hastelloy C drive shaft.