How to use it 1. According to the size of the pipe diameter shape,select the appropriate sucker to install. 2. Inflate the cylinder:one hand grasp solid body, another hand holding the handle,tic breathing,about 10 times,until the best pressure. 3.Tightly pressed the sucker against the outlet, so that closed, then quickly pull the trigger,hit the air flow,the pipeline in the plug should be pushed away. Precautions: 1. The mouth of the outlet, must be immersed in the blocked fluid medium to work, so that the effect will be obvious 2.Before the shot, with a towel plastic sheet or other things will be the mouth of the toilet mouth to cover the water, so as not to splash on their own body. 3. If the pool or sewer has multiple overflows, please ensure that the other overflows are closed before work so as to avoid accidental discharge of contaminants or affect the dredging effect. 4. The proposed twitch 8-10 times for the appropriate, so as to avoid excessive pressure caused by water pipes burst 5. This product is a pneumatic tool, please stay away from children and do not disassemble it yourself. Packing List: 1 x Drain Pump 4 x SuckersManufacturer Guarantee -- The Pressure Pump Cleaner provides with the most convenient cleaning, if you are not satisfied or have any quality problems, please feel free to contact us, we're here to make things right. Multi-function --- Comes with 4 sized suckers. Can be used for toilet, washb, bathtubs, shower, sink, squatting pan, floor drain, blocked pipes and etc. Environmentally Friendly --- ABS gun body, natural rubber blocked head. A natural rubber that is tough and durable for our drain blaster. Easy To Use With Humanize Handle --- The drain blaster uses the power of high-pressure compressed air to blast away the toughest clogs in your drains in just seconds.Just pump the drain blaster and squeeze the trigger, the clog is cleared instantly. Efficient Cleaning Capability --- With high pressure air power, Unlogs Toilet Plunger Set can deal with various blockages caused by all sorts of rubbish such as hair, cloth, tea, leaves, grease,oil dirties and so on.