【CONVENIENT USE】Block off all vent opening. Pump up the hand pump about 10-20 times. And pull the trigger to release the high pressure gas. 【POWERFUL SUCTION NOZZLE】Powerful suction clears away tough clogs without using harsh chemicals. The drain blaster uses the power of high-pressure compressed air to away the toughest clogs,quickly and easily. 【FIT BIG AND SMALL DRAINS】Including 4 sized suckers, can be easily used in toilet, washbasin, bathtubs, shower, sink, squatting pan, floor drain, blocked pipes and etc. 【WIDE APPLICATION】It can deal with various blockages caused by all sorts of rubbish such as hair, cloth, tea, leaves, grease,oil dirties and so on. 【Fdit SATISFACTION GUARANTEE】We care for all customer's feeling. If this product does not meet or exceed your expectations, please send it back for a refund no questions asked.