Eye wash is activated by flag handle, two GS-Plus™ spray heads deliver a flood of water for rinsing eyes. Shower Valve: 1 in IPS chrome plated brass stay-open ball valve, furnished with stainless steel actuating arm and 29 in stainless steel pull rod. Spray Head Assembly: Two GS-Plus™ spray heads, each has a “flip top” dust cover, internal flow and filter to remove impurities from the water flow. Eye Wash Valve: 1/2 in IPS chrome plated brass stay-open ball valve, remains in operation until flag handle is returned to closed position. Pipe and Fittings: Schedule 40 galvanized steel, furnished with orange polyethylene covers for vertical piping for high visibility and corrosion resistance.