Marshall MER613-48 LP Supply Hose 3/8″ Female x 3/8″ Female 48″This is a thermoplastic supply hose with a 3/8″ inner diameter for recreational vehicles (RVs). Designed specifically for use downstream from the low pressure regulator, this hose facilitates the safe and efficient transport of propane to various appliances within the vehicle, such as stoves, heaters, and refrigerators.Thermoplastic HoseThis hose is a flexible thermoplastic, renowned for its durability and adaptability to various environmental conditions. This material has received approvals from Underwriters Laboratories (UL) and the Compressed Gas Association (CGA), signifying its compliance with stringent safety and quality standards. Thermoplastic hoses are capable of withstanding working pressures up to 350 PSIG. Additionally, it has been tested to withstand a 400-pound pull, ensuring their physical integrity and resistance to tearing or rupture under stress.3/8″ Female Flared Connect