B&K" LOOSE KEY SILLCOCK VALVE 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 3/4" MIP New loose key technology prevents valve being used while key is not present.