The Semi-Circular Shallow Bowl Wash Fountain by Sentry is Stainless Steel construction. Shallow Bowl Wash Fountain is available in 36" or 54" Semi-Circular Bowls accommodating 3 to 4 Users. Sentry (tm) Wash Fountain is wall or floor-mounted installation and equipped with choice of Hand Control Air Valve Metering or upgrade to Infrared Control or Foot Controlled Hold-Open Air Valves. Stardand height model with Hand or Infrared Control is ADA Compliant. Semi-Circular wash fountain is shipped pre-assembled and is vandal resistant and easy to clean. The Sentry semi-circular washfountain uses less water, energy, and space than other lavatories equipped with conventional faucets. The sectional sprayhead module is controlled by a push button, which actuates an air valve (hand or foot control models), or operates automaticaly by an infrared sensor-actuated solenoid valve. Flow restrictor keeps flow rate constant at 0.5 GPM per station for all pressures. Operating range is 20-80 PSI. Specifications and detailed information available upon request. For shipping quotes, orders or questions please call our Customer Service Center at 1-877-483-9270.