Annovi Reverberi RMV25G24D horizontal plunger pump. 2.5 GPM at 2,400 PSI, spins at 3,400 RPM in a direct drive system coupled with a gasoline engine. The matching flange provides convenient connection to most 3/4” shaft 4 – 7 HP engines. The hollow shafted pump includes a built-in pressure control valve, and chemical injection system. Comes with easy connect.