Halo Eyewash. Halo delivers the most effective eyewash coverage and spray pattern . Barrier-Free Design. Wall Mounting. Plastic Bowl. Galvanized Steel Pipe with BradTect Safety Yellow Coating. Hand Activated. 1/2" NPT Water Supply . 1�" Drain Fitting for Eye or Eye/Face Wash. ABS Plastic Eye or Eye/Face Wash. Universal identification sign and inspection tag included. Complies with ANSI Standard Z358.1 when installed and used properly. Manufacture's limited warranty.