MP Industries 1973-E Tropical Floating Chemical Tablet Dispenser, 1-Inch, Blue Floating chemical dispenser is constructed of high impact polypropylene plastic This dispenser is fully adjustable and will dispense tri-color chlorine tablets or bromine tablets Adjustable rate control is enhanced by the vented full-flow design E-Z refill access cap allows the reloading of tablets or without affecting the rate setting Available in blue color; measures 1-inch in size