Vacuum Tanker Waste 4 Water Slurry Hose Pipes. C/W lever lock Couplings 5mt Long. A medium weight superelastic 4 PVC hose, reinforced with a rigid crush resistant white PVC helix. This hose is designed for the transportation of liquids. Minimum frictional loss is achieved by the smooth bore. Construction White rigid crush resistant anti-shock PVC spiral helix encapsulated in a blue flexible oil resistant PVC cover, with a smooth inside wall. Colour Standard – Blue, White Helix Temperature Range -10°C to +55°C.