Brass Column Garden Square Fireworks Pool Pond Adjustable Fountain Nozzle Sprinkler Spray Head SSH329 (3/4") Made of brass, it won't rust and can be used for a long time Inlet: 1 inch,female thread design Operation Pressure: 80-150 Kpa Jetting Height: 4.9-13 feet; Covering Diameter:3.28- 6.5 feet Item measurement:140x35mm(5.5"x1.37")