Efficient Drain Cleaning Kit: Includes 3 drain rubber bladders in different sizes, suitable for drain openings with a diameter of 1 to 6 inches. Water expands the bladder to seal the pipe, and pulsating water pressure helps quickly clear clogged drains up to 1000 feet away. Complete kit ideal for cleaning various sized main drains and exterior sewers. Easy to Use: Utilizes water pressure to clear slow and clogged drains in main drains and sewer lines. Simple to operate and can be used regularly without professional assistance. Offers an alternative to chemical drain cleaners. Quality Material: Made from durable rubber that provides long-term performance and good wear resistance. Resists damage and withstands frequent use. Highly extensible rubber allows for effective expansion and contraction under water pressure with strong impact resistance. Wide Range of Uses: Effectively clears slow and clogged drains in main drains and sewer lines without harsh chemicals. Addresses common blockages caused by hair, soap scum, grease, and more. Suitable for various drains including sinks, tubs, and showers. Important Tips: Connect the drain cleaning bladder to a cold water faucet; do not use with hot water. Insert at least 6 inches into the drain pipe for optimal results. Minimum inflation pressure is 40 psi; maximum pressure is 80 psi. Color: Black Material: Rubber Package Contents: 3 PCS Drain Cleaning Bladders Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.