Amazon.com : Aquatix Pro Pool Chlorine Floater Dispenser for 1 to 3 inch Tablets, Large & Durable Floating Dispenser for Spa, Hot Tubs, In-ground & Above Ground Small & Large Pools, Adjustable
ELODEA Classic Floating Pool Chemical Dispenser | Adjustable Settings | Accepts 1-in & 3-in Chlorine/Bromine Tabs | Rotative Ring | Twist Lock Cap | Collapsible in the Pool Chemical Dispensers department at Lowes.com