4 HP 230V 2-Speed Waterway Spa Pump Side Discharge 2 1/2"x2" Executive 56 3721621-13 4 HP 3450/1725 RPM, 2-Speed, 12.0/4.4 amps, 230V 60hz. 56 Frame Executive 2.5" Inlet/2"Outlet Large 6.5" diameter wet end for higher head pressure; Automatic Overload Protection Overall Length = 17" Height 8.22"; Includes (1) 2" Union & (1) 2.5" Union Waterway Executive 56 Frame; 1 Year Manufacture Warranty