The Laing E10 EcoCirc Circulation Pump is used in many hot tub brands and can be used to replace most brands of circulation pumps. The E10 is highly efficient and consumes 40% less power than many comparable circulation pumps. The E10 Circulation Pump is lightweight, whisper quiet and compact. Features: 230 Volts 3/4" Hose Barb Fittings for Pump Intake and Discharge 70 Watts Includes 4 foot power cord and Mounting Bracket. Domestic or international 50 or 60Hz same high flow Compact Design Lightweight, less than 5 lbs Open Impeller - Resistant to Clogging Dry Run Protection Specifications: Max Capacities: 14 GPM Max Head: 20' Maximum Working Pressure: 50 PSI Maximum Temperature: 140° F Rotation: counter clockwise when viewed from the motor end. Electronically Commutated AC/DC/AC Spherical Motor. Automatic overload protection.