The PAC 6kgpressure regulator is a valve that automatically cuts off the flow of a liquid or gas at a certain pressure. Regulators are used to allow high-pressure fluid supply lines or tanks to be reduced to safe and/or usable pressures for various applications and for this instance its for the 6kg mecko gas cylinder. The PAC 6kg regulator is mainly used to allow the 6kg mecko gas cylinder to be compatible with your standing cooker or tabletop cooker.The PAC 6kg reulator comes with a free 8mm hose pipe which is used in a variety of uses..the major being the connection of gas between the gas cylinder and the cooking burner..the hose pipe complies with international ISO standards.It comes with a hose pipe that uses German technology to create a powerful tough,yet flexible pipe.comes in 1.5mtrs length viable for connection over a long length