A plastic waterfall nozzle is a durable, lightweight fitting made from plastic that is used with a water pump to create a decorative waterfall or water effect in a pond, pool, or garden feature. These nozzles can be versatile, coming in different shapes and sizes to create various water patterns, and are designed for easy, tool-free installation. They are often rustproof, weather-resistant, and sometimes include features like adjustable flow, LED lighting, or anti-clog designs.