Northlight 32038859 7.5 in. Classic Blue & White Floating Swimming Pool Chlorine Dispenser, 1 - Gerbes Super Markets
Amazon.com : WWD POOL 1" Mini Chlorine Floater Inflatable Pool Chlorine Dispenser Floating Bromine Holder Adjustable Flow Vents for Above Ground Pools, Spa, and Hot Tub [ Foldable ] : Patio, Lawn & Garden
6 Best Floating Chlorine Pool Dispensers
HDX Floating Swimming Pool and Spa Chlorine Dispenser 62155 - The Home Depot