Akron Brass Turbojet [3725] 2.5” (65 mm) lndustrial Nozzles, 100 psi (7 bar)*DISCONTINUED*. The Turbojet is a constant gallonage nozzle (flow remains the same in all patterns) with multiple flow settings for operator flow control. Use the Turbojet one time and see why it's the nozzle of choice by firefighters worldwide.