Sold as each. For use with water or oil. Neoprene seal washer. 3/4" hose thread outlet. Large flow. Pipe threads comply with ANSI B1.20.1. Pipe threads comply with ANSI B1.20.7. Loose key prevents use of valve when removed. Meets NSF 61-9 approved low lead standards. Boxed. 1/2" MIP. Manufacturer"s number: 102-333HC. Country of origin: China. Distributed by B&K Industries.