Bradley Wall-Mounted Eye & Eye/Face Wash Wall-Mount Eyewash Units have 10" yellow impact resistance plastic eyewash bowl and twin spray heads with flow control for safe/steady water flow. Activated with large, highly visible push handle and 1/2" chrome-plated brass stay-open ball valve. Water supply is 1/2" IPS female and waste is 1-1/4" IPS female. Wall Mount includes a wall mount bracket. Meets ANSI Z358.1-1998 Standard.