Agile-shop Fan Shaped Fountain Nozzle Sprinkler Spray Head for Pond 1/2" DN15 & 3/4" DN20 The Fountain Nozzle is called Fan Shaped Nozzle, a popular effect used in home, commercial and architectural fountains. Fountain nozzle sprays can be used in a wide variety of ways to achieve spectacular effects. With beautiful shape and convenient installation, it can be adapted to a wide range of ponds and fountains. You can add water volume according to the effect you desire.In doing so, a very heavy, powerful effect is achieved with little alteration. Easy installation, it only requires pvc tubing and a submergible water pump.