Oreq 3 in. Pool Chlorine Pop-Up Empty Indicator Tablet Feeder Floater CL296ABWS
Blue/White, 2½ lb Capacity, Opens to 7.1875in. W x 7.125in. H
The Oreq Pop-Up Chlorinator for 3 inch tabs, takes up only 5in. x 4 3/8in. on your storage shelf and it expands to full size when you are ready to use it.
The Red indicator pops up when chlorine tablet levels get low!
Part Number CL296ABWS