Each unblocking van has a high pressured water jet capable of up to 5800psi. It is capable of traveling through PVC gully traps and up to 130m in distance. Has many different attachments including a root cutter attachment, front & rear blowing nozzles and a wieghted back flusher which is great for removing debris sitting in the bottom of drains. These high pressured jets can easily flush up to 375mm pipes/drains.