Poolmaster 32155 Floating Chlorine Dispenser. Poolmaster’s Classic Collection offers a generous selection of performance and built-to-last products made from resilient components designed to keep your pool sparkling. For continual dispensing of chlorine, the Stanley Chlorine Dispenser is made of non-corrosive materials. The adjusting chlorination ring can be set to give you just the right amount of chlorine needed to keep your pool water balanced perfectly. Twist-lock cap makes refill quick and easy. Holds 3″ chlorine tablets.