Abstract: A tool for removal of debris from within a transmission pipe containing gas under pressure, including, a slide tube, having an angled fitting provided at its bottom end, and generally for disposition within the transmission pipe, said slide tube extending through a reducer, that incorporates and includes therein a mounting member, such as a swivel ball, through which the slide tube locates, and has a hermetic seal therewith. The slide tube 2 at its upper end includes one or more shut-off valves, and may also incorporate a filter device, for collecting of the accumulated debris that is carried with the pressurized gas as it rapidly passes through the slide tube, after opening one or both of the shut-off valves.