Features include:• In line with ANSI standards, 3 US gallons per minute continuous flushing is maintained• If necessary, flow rate can be modified using the flow regulator valve on the side of the unit• Lidded bowl stops external pollutants such as dust and debris from damaging the eye wash diffusers• Large universal pictogram sign on front of unit for greater visibility• Certified by UL to meet the ANSI Z358.1 Standard for Emergency Eyewash and Shower Equipment