It shows good resistance to leakage and is quite durable, allowing for relatively easy connection and disconnection DURABLE : Brass can withstand long periods of wear and tear. THREAD: The edges allow the fittings to bite better and not slip easily. OPERATING TEMPERATURES : Solid brass can withstand up to 100 ℃ (212℉）. WARNING : This product can expose you to lead, which is not allowed by federal law to be installed for potable water use in the U.S.A. and its territories. This brass fitting is an adapter for connecting pipes.