2 meters high pressure poliflexible pipe + connectors+cavagna Two Stage Gas Regulator Bulkhead 30mBar W20 for Motorhomes Gas regulator for use with red vapour tanks, alu bottles ,gaslow,gas it, composite refillable cylinders. It is two stage regulator for better pressure stability, mandatory for mobile units. The connector on inlet side is M20 1.5 parallel thread, also know as W20 - it is caravaning standard. The outlet is 8mm pipe compression fitting - it can be removed to get 3/8" NPT female thread. Outlet pressure is 30mBar which is suitable for most appliances designed for motorhomes. It comes with a bracket to secure regulator to bulkhead. Inlet should be positioned upwards and higher than outlet of the bottle Second stage ensures that gas is evenly evaporated and no liquid gas is let into the system.