[MAIN PARAMETER] ~ Model: SPP250E; Power: 1850W/2. 5HP; Voltage: 110V/60Hz; Max. Flow: 448L/m; IP55 INS CL. F: Max. 50 C; Amps: 16; Head: Max 69ft; Capacitor: 25F; Noise Level: <65dB. [CONNECTION SIZE] ~ Inlet: 1. 57 inch internal and 2 inch external; Outlet: 1. 57 inch internal and 2 inch external; Pipe Compatibility: Fit 1. 57 inch plumbing internally and 2 inch plumbing externally. [Large flow] swimming pool pump have advanced s-tek flow system for increased efficiency with continuous flow Rate of 448L/min. [Thermal overload protection] This pump have a removable strainer basket with a built-in thermal overload protection – as the water circulate and passes through the filter. [Application Scope] pool pump suitable for pools up to 80, 000 litters, ideal for residential and commercial swimming pools and spa’s. Note: the swimming pump comes with metric fittings, need to use hose fitting!