Waste Receptor, Accessory Type Waste Receptor, Color Silver, Compatible with Brand Guardian, Features Coupling Gasket, Waste Receptor with Flared Nipple, For Use With Combination Eye/Face Wash & Shower Stations, Eyewash & Shower Stations, Includes Gasket, Nipple, Receptor, Material Aluminum, Standards ANSI Z358.1-2014, Thread Size 1 1/2 in, Thread Type NPT