Halo Eye/Facewash. Halo delivers the most effective eyewash coverage and spray pattern . Barrier-Free Design. Wall Mounting. Stainless Steel Bowl. All Stainless Steel Pipe and Fittings. Hand Activated. 1/2″ NPT Water Supply . 1¼” Drain Fitting for Eye or Eye/Face Wash. Stainless Steel 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.