● Applicable for blockages in indoor facilities as in vegetable-rinsing basins, washing basins, kitchens, bathrooms and lavatories, and bathing facilities. ●The air pump can stand a pressure of 0.4 Mpa, with a sudden strong piercing pressure, can effectively remove blockages by solving wastes in pipes. ●Easy and safe in operation. Inflate the pump with enough gas for the seriousness of the blockage, usually less than 0.4 Mpa; press the seal piston on the pipe opening and release quickly, the sudden air pressure will remove the blockages in the pipe. ●The rubber seal piston can be used in both directions, for openings of different diameters and shapes. ●Using air release extension pipes will accommodate complex working environment. 　   　 　 　 Catalog No Type 　 Description Weight (kg)　 2.4001 GQ-4   Main machine 3.36 2.0395 F-9-e   Air release extension pipe 0.47 2.0396 F-9-f   Seal piston 0.98