Hypro 7560C-R Cast Iron 8-Roller Pump (7560C-R) Max. flow: 22.5 gpm, Max. rated speed: 1000 rpm, Max. pressure: 300 psi Cast Iron housing and rotor Super Rollers and Viton seals for handling certain agricultural chemicals Pump shaft rotation: CW (i.e., reversed) Weighs 13 lbs.