Rule Bilge Pump 500 gph 12V. Connections: For 19mm (3/4") bore hose.Dimensions: 99mm high, 64mm x 74mm.Current Draw: 1.6(amps)Fuse Size: 2.5 ampOutput: Up to 31 litres/minute (7 gallons/minute) without check valve. Max. recommended discharge head 2m.Light, compact pump for ski-boats and small vessels.Tough plastic body with integral strainer.Quick release inlet strainer allows rapid cleaning.Low amp draw conserves batteries.Built-in Thermal Cut-Off. Motor rated for 1500-hour life.Check Valve included for Back Flow Prevention.Vented body to prevent air locking.Threaded port for easier installation and maintenance.For automatic operation, use Rule Float Switches.Base not interchangeable with old range but can be fitted to existing screw holes.Packaged Dimensions: L:18.00 x H:9.00 x W:17.00cmActual Weight: 0.41 Kg (Approx. 0.61 Kg packed)