Guardian GFR3100 Heated Safety Station w Eyewash, Top Inlet Nominal Size 54" X 1.25" EZH2O SURFACE MOUNT FILTERED BTL EZH2O SURFACE MOUNT FILTERED BTL FLR Spout cover assembly to be Bright Polished chrome plated plastic Guardian's heated combo unit is insulated and jacketed for protection against weather (UV resistant orange ABS plastic jacket with removable polyethylene foam insulation) heating is controlled by thermostat that shuts heat off when ambient temperature is over 50°F The Guardian GFR3100 Heated Safety Station and Combination Emergency Eyewash featuring a top inlet is specially crafted for areas where heated water is needed