Guardian's Wall-Mounted Emergency Shower makes it easy for students to react to harmful chemical exposure in your science lab. Simply pull the large triangle handle to activate the stay-open ball valve for immediate water flow. The sturdy galvanized steel pipe mounts horizontally to the wall. ABS plastic shower head comes in your choice of bright green, yellow or orange safety colors, so kids can easily locate the shower. Select a vertical or horizontal mount to best fit your classroom layout.