This toilet plunger is a reliable and best drainage cleaning tool to ensure that your pipes will not be blocked or damaged over time.Easy to use! It is also very suitable for beginners and master plumbers. The pumping is more labor-saving and the pump is thicker. It only takes about 10-15 to increase the pressure to 0.3MPA. Then pull the trigger to release high-pressure gas. It's that simple!how to use:step 1:Before use, you should choose a suitable suction cup to install the product according to the size of the blocked pipe.Step 2:After the suction cup is installed, hold the handle and pull the pump rod to complete several full-stroke pumping about 15-25 times. Until no air can be pumped in and high-pressure gas is obtained, the gas storage tank can be inflated.Step 3:Block the pipe outlet and seal; pull the trigger to release high-pressure gas.the fourth step:If the first attempt fails, you can repeat this operation.Suggest:1. Make sure that the suction cup is the correct size.2. Put a layer of waterproof membrane before use to prevent splashing water from getting dirty.3. The "suction cup" should be pressed tightly on the drain pipe. If the seal is not enough, please add enough water (the suction cup is completely immersed in the water) to prevent air leakage and ensure the air pressure.Package Included:1x toilet air jet1x inflatable base4 suction cups of different sizes.