Part # OBW160020
The Ocean Blue 160010 large floating spa and pool chemical dispenser is a great and simple way to keep your pool chlorinated.
**PLEASE NOTE: This is only for the large dispenser. Smaller duck in pictures is not included.**
(2 out of 5 stars) Bottom falls off!
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The bottom part falls off. The white piece has only about one and a half threads to screw into the yellow duck section. it falls off with the weight of the chlorine tablets. I had to use the old duck with the new white section.