This Beckett all in one fountain nozzle kit is ideal for your pond, fountains, and more. It is compatible with Beckett's G210, G325, G535, FR400, FR600 and FR800 fountain pumps. The nozzles help create a tranquil sound of running water for your water displays. The opportunities to beautify your pond are endless with the choice of the waterbell, bubbler, and sprayhead nozzles. By aerating the water, the nozzles introduce air into the pond and create a healthy environment for fish and plants. The extension tubes are included to adjust to different water depths. Take your backyard fountain from good to great with this nozzle kit.