... bathrooms and lavato GQ-4 Feafure: Applicable for blockages in indoor facilities as in vegetable-rinsing basins, washing basins, kitchens, bathrooms and ... , can effectively remove blockages by solving wastes in pipes. Easy and safe in operation. Inflate the pump with enough gas ... air pressure will remove the blockages in the pipe. The rubber adaptor can be used in both directions, for openings of ...