1" 4 Outlet Multiple Nozzle Body for Wet Booms Available with either 3, 4 or 5 spray positions for easy change of spray tips or quick boom flushing Positive shutoff between each position Automatic spray alignment using flat fan spray tips Maximum operating pressure of 300 PSI (20 bar). Includes ChemSaver diaphragm check valve for drip-free shutoff Standard diaphragm opens at 10 PSI (0.7 bar) Standard EPDM diaphragm with Viton available as an option Also available with optional 56720 ChemSaver air shutoff valve 2.25 GPM (8.5 l/min) with 5 PSI (0.34 bar) pressure drop Mounts to a 3/8" (9.5 mm) hole drilled in pipe or tubing. Molded hex socket in upper clamp for attaching to flat surfaces Hinged upper clamp reduces assembly time and fits inside common boom channels