Efficient Drain Cleaning Kit: 3 pieces of drain rubber bladders of different sizes are suitable for drain openings with a diameter of 1 to 6 inches, water expands to seal the pipe after passing through the drain bladder unclogger, pulsating through water pressure can quickly clear clogged drains, as far away as possible up to 1000 feet, complete kit ideal for cleaning a variety of different sized main drains and exterior sewers Easy to Use: the unclog sink drain bladder uses the power of water to clear slow and clogged drains in main drains and sewer lines, is very easy to use and can be applied frequently You don't need the of an expensive plumber, and it's more than bad smelling chemical drain cleaners Quality Material: the drain bladder unclogger is made of quality rubber, which can be applied for a long time in environments, and has good wear resistance, is not easy to be worn and damaged, and can withstand frequent use Rubber is highly extensible, allowing it to expand and contract freely when pressurized with water, exhibiting excellent impact resistance Wide Range of Uses: this drain bladder kit use to clear slow and clogged drains in main drains and sewer lines without the need for harsh chemicals, solving common clogs caused by hair, soap scum, grease, and more Suitable for all types of drains including sinks, tubs and showers Important Tips: when using, connect the drain cleaning bladder to a cold water faucet, do not use with hot water, it is best to insert it into the drain pipe at least 6 inches for best results The minimum pressure for inflation is 40 psi and the maximum pressure is 80 psi Color: Black Material: Rubber Package Contents: 3 PCS Drain Cleaning Bladders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.