NAVADEAL 1/2"DN15 & 3/4"DN20 Brass Ice Tower Cascade Water Fountain Nozzle Spray Sprinkler Head Cascade is a small to large injector nozzle generates a lively full water pattern and offers oxygen enrichment. With injector effect, water and air are suctioned in, mixed intensively and accelerated into the air by the injector jet as an impressive soft flowing fountain. The foam (spume) effect changes depending on the water level and accentuates every public area. Material: Brass; Inlet: 1/2" Female Thread & 3/4" Male Thread Working Pressure: 7.3-14.5 psi; Water Flow: 13.2-24.2 gpm; Jet Spray Height: 6.5-16 feet 100% MONEY BACK GUARANTEE- NAVAdeal are backed by 100% guarantee that you are fully satisfied with your product or receive your money back.