The Mr. Heater 10' RV Quick-Connect Hose is used to connect low pressure appliances such as a Camp Chef Grill directly to your RV's propane, without the use of the grill regulator. No need for a separate propane tank for your cooking system. This 10' hose assembly has a 3/8" female flare fitting that connects to most grills.• For connecting your grill directly to your RV's propane system• 10' long hose• 3/8" female flare fitting connects to most grills• Type 250 male quick-connect 10' long hose 3/8"" female flare fitting connects to most grills Type 250 male quick-connect | Mr. Heater 10' RV Quick-Connect Hose Assembly