Water jetting unit with its own motor pump for cleaning, hydro-sandblasting and unclogging sewers and drains. Polyethylene or fibreglass water tank. Available mounted on a skid, suitable for transporting on a truck or van or on a homologated two-wheel trailer for travelling along roads complete with lights, brake and stabilising jacks plus a repulsion brake on the tow bar. Suitable for large commercial vehicles like Fiat Ducato Maxi or Mercedes Sprinter