The Faithfull Water Pump Attachment is designed for use with electric power drills and 1/2in hose pipe. It is ideal for watering the garden from a water butt and for emptying sinks, draining paddling pools, aquariums and other small containers. Please note that this equipment is not for use with volatile or flammable liquids or liquids contaning solids. CAUTION - DO NOT RUN DRY. Specification Max. Priming Height 10m Max. Drill Speed 3,400/min. Dry Running Limit 12 seconds Max. Capacity 660 litres (145 gallons)