Haws 8905 Wall-Mounted AXION® MSR Eye/Face Wash and Body Spray Head features an inverted directional laminar flow for Zero Vertical Velocity™ supplied by an integral 3.7 gpm flow control, chrome plated brass stay-open squeeze lever valve, 12-foot (365.8 cm) yellow recoil hose with chrome-plated swivel fitting at one end, universal sign, and 1/2" NPT inlet. In order to comply with state codes the use of a vacuum breaker is required with all hand held eye/face wash body spray units.