Stainless Steel Side Press CisternStainless Steel Side Press Cistern AB CIS SP This high quality dual flush cistern features a WELS approved 3 star rating and a reversible inlet valve. Additionally, its water saving half flush feature means it is environmentally friendly. Features and Benefits Bottom entry Water saving half flush feature Adjustable inlet and outlet valves for setting the required flushing volume Buttons located on side of cistern (can be either left or right)