Easy to Install: The pool fountain can be installed in minutes, fits most 1.5" male and female fittings, and you can add a 56.5mm hose adapter OD to install 2.2" external return nozzle. Cooling Experience: The water sprinkler lowers water 10-20 degrees faster for a cooling experience during hot summer days. The pool fountain creates a bigger waterfall in your swimming pool. Play in the water: With this pool fountain, you can play with your children in the splashing water the weekend. You can also enjoy the sound of the waterfall while sitting outside at night. Small and Compact: The pool fountain is lightweight and portable, so you can take it anywhere and use it. The water sprinkler is compact and easy to use without taking up too much space. Wide Use: The pool waterfall jet is suitable for above ground or underground swimming pools, garden ponds and swimming pools to summer waves, creating a better waterfall splash.