TurboStream Valve and Wall set Complete, Suitable for all water pressure systems WELLS 9 litres per minute rating for low/unequal and high pressure installations. Unique Venturi action for better performance on low pressure systems. Multi-positional brass connections for easy installation. No fixing to studs or nogs just clamps to shower lining. Anti-scald feature limits hot water temperature to prevent accidental scalding. Multi-directional shower head - great for cleaning the shower walls. 5 year warranty.