The karcher drain cleaning kit clears blocked pipes and drains downpipes and toilets four backwards firing high pressure jets propel the hose into the pipe and clear the blockage it has consecutive marks and marker ring to show progress in the pipe suitable for the following karcher pressure washer models g 410 m k 2120 k 2125 t50 k 2130 t 50 k 214 k 2140 t 50 k 221 car k 2300 t 50 k 2335 t 50 k 2360m deluxe k 2400 t 50 k 2900m deluxe k 291md plus k 3150 t 250 k 3160 k 3550 k 3550 t 250 k 3575 t