Akron Brass UltraJet [1820] Fire Hose Nozzle. Now you can have the best of both worlds in a handline nozzle. The UltraJet fire hose nozzle is all-in-one, combining both the smooth bore nozzle and fog nozzle patterns. This nozzle has simple operations with no additional training required. Available with 1" (25 mm), 15/16" (24 mm), 7/8" (22 mm) or 3/4" (19 mm) tips. Low-Pressure operation at 50 psi.