Ketta GQ-75 professional electric indoor drain cleaning machine 390 watt 230v for pipes 20 to 100 mm diameterKetta GQ 75 professional electric indoor drain cleaning machine 390 watt 230v for pipes 20 to 100 mm diameter Applicable for all kinds of indoor pipes of 20 100 mm (3 4 to 4 inch) Lightweight, strong, convenient flexible in operation, using soft shafts of 8 mm (5 16 inch) and 16 mm (5 8 inch) can be used Soft shaft of 8 mm (5 16 inch) are used to clean pipes of 20 75 mm in diameter, especially applicable to complex pipes of small diameters like traps