Delavan 8900 Roller Pro Roller Pump, 1.25, 2.53 hp, 24 gpm, 1000 rpm, Inlet Connection Size: 1 in, Outlet Connection Size: 1 in, Maximum Pressure: 300 psi, 6-3/8 in OAL, 6-3/8 in OAW, 5-1/8 in OAH, Cast Iron, Includes: Permanently-Lubricated Heavy-Duty Sealed Bearings, Ultra Rollers, Viton Lip Seals