What is this?

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
15,855
Bedford, TX
SG,

That is a suction side cleaner.. It is connected via the skimmer or a port on the wall of the pool to the pump. When the pump runs, the cleaner should move around and "clean" the pool floor.. Good luck with that.. :mrgreen:

Jim R.