Heavy forged brass construction. One piece body. Non-displaceable chrome plated forged brass ball. Coated aluminum handle, for use with natural manufactured, mixed liquefied petroleum and LP gas or air mixtures. Approved by the American Gas Association, Underwriters Laboratories and the Canadian Gas Association. Special rubber seals conform to ASTM D471. Threaded ends comply with ANSI B1.20.1. UPC coded. UL listed.