Through the sewer pipe dredging device for household tools through the toilet toilet through a kitchen suction plug 1. Before use should be based on the size of the blocked pipe diameter, switch to select the appropriate "plug" to install the product to provide four different sizes of "plug", the toilet to choose the largest "plug" or the second largest "block mouth". 2. After installing the plugging, you can start to inflate the cartridge, the method is: the left hand grasping the solid body, the right hand holding the handle twitching gas, complete the whole trip twitching, at least 15-25 times, until the pressure does not move until. 3. Tighten the plug tightly in the small outlet, if not sealed, add water, so that water over the nozzle. At this point you can pull the board machine, play air, pipe plugging should be followed by a strong air flow away. If you do not pass, you can repeat this operation.