Draper Drain Blaster is designed to clear blocked drains by injecting water at high pressure to dislodge blockages. It is supplied with a 70mm diameter cup suitable for sinks and baths. A 150mm diameter cup for cleaning toilets and urinals is also available (Stock No. 21838). To use, fill the Drain Blaster with water, place it over the plughole, and blast water into the drain using the plunger. This tool is suitable for recessed wastes only. Dimensions: 46.60cm x 13.70cm x 6.10cm. Weight: 0.3kg.