The Draper 98923 Surface Mounted Pump is corrosion-resistant  The Draper 98923 is a self-priming pump with a 25mm output aperture suitable for home and garden applications. The pump boasts features like a waterproof on/off switch, thermal overload protection and long life double insulated impellers of corrosion and rustproof construction. Supplied with one 25mm diameter output elbow and fitted with 1.5M(approx.) cable and approved plug. Features: 25mm outlet Corrosion-resistant casing Weatherproof on/off switch Thermal overload protection Specifications: Weight: 8kg Motor: 800W Voltage: 240V Float Switch: N/A Max Output: 53L/min Max Head Height: 38M Max Particle Diameter: 1mm Hose Adaptor Diameter: 25mm Output Aperture Diameter: 25mm