8,000 GPM from a remote-controlled monitor. Meet the Tsunami and its monster-sized set of stacked tips (the biggest of which here is 5-1/8"). This remote-controlled firefighting monitor flows 4,000 to 8,000 gpm for large-scale fire a**ack and heavy water supply operations. Built to move serious water with control. Minimal friction loss matters. The Tsunami holds just 15 PSI at 8,000 gpm thanks to the integral stream straightener. That means stronger stream reach and better water delivery when it