The Zurn Z1321-CXL Lead Free 3/4" x 4" Non-Freeze Auto Draining Wall Hydrant is an industrial plumbing fixture designed for outdoor use. It features a self-draining design with a flush mount for easy installation. The hydrant is lead-free and has a 4-inch long tail piece, making it a reliable and environmentally friendly option for commercial properties. With its key handle type, this Zurn model offers convenience and functionality for industrial plumbing needs.