Medium duty sewer cleaning machine,drain cleaner copy of electric eel USA, cheap, easy to operate, reliable CE approval Item: MD50Medium duty drain cleaning machine ... :1. With quick-changing feature the drum is interchangeable.2. Air-operated foot switch3. Built-in GFCI on cord to protect ... ” * 50’ (13mm*15m)3. Motor: 250w, 220v/50hz, 110v/60hz Medium duty sewer cleaning machine,drain cleaner