Master Stream Nozzle with Halo 2.5” NH (65mm). Flow range of 150-1250 GPM (600-4500 l/min). Fully automatic master stream nozzle for use on monitors, ladder pipes, deluge guns, and aerial platforms. Constant nozzle pressure regulated to 100 psi (7 bar). Continuously variable from straight stream to wide fog. Includes halo ring for manual pattern control. Rubber bumper incorporates TFT “power fog” teeth for fully-filled, finger-free fog pattern. Lightweight hardcoat anodized aluminum for maximum resistance to corrosion and wear. 2.5” NH (65mm) rocker lug swivel coupling is standard. 3.0” NH (75mm) or 3.5” NH (90mm) coupling is optional.