This 48FT 1/2 Inch Natural Gas Hose with 1/2" Quick Disconnect Plug Kit x 1/2" Female Flare Fittings & 3/8" Female Flare by 1/2" Male Flare Brass Adapter. Flexible conversion, more widely adapted to your need. Please check the size of the hose and the size of the parts before purchasing. he tube body is made of high-quality rubber, and the thread is made of durable solid brass, which is anti-chipping, anti-rust, and very durable. And we also include a solid brass 3/8" Female Flare by 1/2" Male Flare Brass Adapter, and a sealing tape to give you a safe and stable experience. Our natural gas conversion kit for grill can provide up to 100,000BTU/hour of heat, and provide sufficient airflow for grills of 30 inches and larger sizes to meet your more needs.