ASTRAL LINER RETURN INLET EXT. 2'' INT. D. 50Inlets Manufactured in white ABS, the inlets adapt to any kind of prefabricated pool and include gaskets and screws for a perfect watertight seal. The return inlets return filtered, treated water to the pool. They include the Multiflow system, which allows the diameter, and therefore the flow rate of the water through the inlets, to be selected. The suction inlets are used to connect the pool cleaner. The bottom inlets are placed in the floor of the