Suitable for both high and low water pressure systems|Flow rate 22|8 l/min at 1 bar|Solid Brass|WRAS Approved|20 Year Guarantee|SupaPlumb TSC5 637641 Slow Closing G1/2" 20 Spline H62 for SPT15, SPT25, SPT50, SPT150, SPT300, SPT305, SPT310, SPT315, SPT550