Akron Brass Trident HFRT-10 [3356] 12V or 24V High Flow Monitor 2650 GPM (10,000 LPM). The Trident HFRT-10 is Akron's newest roof turret. Delivering up to 2000 GPM (7600 LPM), multiple control options, and a variety of nozzle options to meet individual needs. All units exceed NFPA 414 and FAA requirements. Akron Roof Turrets offer greater reliability and superior performance when second best is not an option. Akron Turrets come in a variety of roof top designs and flows, either aspirated or non-aspirated, all with easy-to-use controls from inside the truck cab. Our Turrets offer joystick control and adjustable automatic oscillation.