John Guest PE series of plastic pipes is produced in Linear Low Density Polyethylene. The hose provides the benefits of a wide range of temperature and pressure suitability, wide chemical compatibility and is made from non-polluting materials. Used for water purification, draft beer, drinking water coolers, water conditioners, ice machines, beer brewing, compressed air systems, RO filter. LLDPE is more robust than traditional low or medium density polyethylene and is recommended for use with cold and intermittent hot water. The hoses are made of FDA approved materials and are NSF, TÜV, EU certified. John Guest Polyethylene hoses / tubes are designed for use with John Guest quick couplings. JG fittings, shut-off valves and virtually all standard hoses and plumbing couplings.