1, Outdoor, camping 30 inch 1 pound quick connect propane hose regulator adapter with a 1/4" quick connect female socket which equipped with shutoff ball valve. 2, 1 PSI low pressure propane gas grill control valve regulator inlet is 1"-20 Female throwaway cylinder thread inlet. fit 1 pound propane tank for a portable grill. outdoor portable firepit. mr heater. 3, 1 lb propane tank adapter outlet is 1/4" rv propane quick connect disconnect control valve. made of high-quality brass. Controlled gas stop propane safety device by the handle on the valve body. valve was 1/4" female quick connect. safety shut on-off. 4, 1 lb propane quick connect hose regulator convenient to carry and widely applicable, perfect for camping por.