This Speakman Se-952 Clear Gauge is a genuine speakman Flow switch perfect for applications in clinical areas and places like Laboratoryoratories and schools. This product is a plastic gauge, to be used to assist in washing a person?s eyes in the case of an emergency. Speakman made the Se-952 Clear Gauge out of plastic so it will be able to hold up against multiple washings .This Speakman Se-952 Clear Gauge comes with the Limited one year Speakman warranty. Speakman is a company that has been in business for over 140 years and pioneered the shower industry. Speakmans goal has been to bring you the customer the highest quality products on the market and has been doing so for decades.