【Easy to Clean】The practical built-in skimmer frees the pool from impurities, directs dirty water into the sand filtration system and returns it purified through the inlet nozzle. 【Details】The package includes a complete return pipe for above ground pools, screw body, eyeball, gaskets, nut and adapter with 1-1/2" hose adapter and 3/4" eyeball outlet. 【Practical】2 cm diffuser opening. Adjustable angle thanks to the swivel nozzle head. The directional ball in the nozzle head can be swiveled and thus allows the water angle to be adjusted individually. 【Scope of application】Inlet nozzle The skimmer can be connected to both swimming pool hoses with a diameter of 32 and 38 mm as well as a floor vacuum cleaner for thorough cleaning.