The Swivel Max Hose Fitting will decrease the stress on the connector by allowing rotation in 3 planes which will help increase the life of the connector. The Fitting has a unique design that will enhance gas flow and performance over standard 90 degree fittings. The Fitting has 360 degree spherical rotation allowing for appliances to be positioned closer to the wall. Constructed out of durable aluminum with a brass threaded end fitting. Maximum BTU capacity per hour is 229,000. Certified only for use with Dormont gas connectors only. - Aluminum - Inner Diameter 3/4 in - BTU capacity 229,000 - Sold per each ***CALIFORNIA PROP 65 WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.***