Milliard Chlorine Floater, Floating Chlorine Dispenser with Thermometer Adjustable dispenser allows for just the right amount of chlorine to be released over time as the unit floats. Dispenser accepts 1 and 3 chlorine tablets with storage for up to five tabs at once Built-in thermometer is 5 long and reads temps in both F and C Made from durable ABS plastic to last from season to season.