Clockwise open one: Turning clockwise for tap on, turning anti-clockwise for tap off. Usually used on the left hand side for hot water tap.
Anti-clockwise open one: Turning anti-clockwise for tap on, turning clockwise for tap off. Usually used on the right hand side for cold water tap.
1/2″ 20 spline ceramic cartridges. PREMIUM QUALITY with metal reinforced silicone gaskets and the hardest ceramic available