Complies with U.S. Forest Service Specifications No. 5100-240 and 244. 1" NPSH lightweight aluminum nozzle equipped with a three position valve for instant selection of fog, straight stream or shut-off with a wide choice of tip capacity and pattern. The Forester Fog-Stream Nozzle is designed specifically to meet U.S. Forest Service requirements for maximum efficiency of water pattern. Comes standard with 3/16” straight stream and 3 GPM fog tips. Optional tips are available.