Efficient Drain Cleaning Kit: Includes 3 drain rubber bladders in different sizes, compatible with drain openings ranging from 1 to 6 inches in diameter. Uses water pressure to expand and seal the pipe, creating pulsating force that effectively clears clogs in drains up to 1000 feet away. Complete kit ideal for cleaning various main drains and exterior sewer lines.Easy to Use: Utilizes water power to clear slow or clogged drains in main lines and sewer systems. Simple to operate and suitable for regular use. Eliminates the need for costly plumbing services and avoids the use of harsh chemical drain cleaners.Quality Material: Made from durable rubber for long-term use in various environments. Resistant to wear and damage, capable of withstanding frequent use. High elasticity allows the bladder to expand and contract under water pressure, providing strong impact resistance.Wide Range of Applications: Effectively clears clogs in main drains and sewer lines without chemicals. Addresses common blockages caused by hair, soap scum, grease, and other debris. Suitable for use in sinks, tubs, showers, and other standard drain types.Important Tips: Connect the drain cleaning bladder to a cold water faucetdo not use with hot water. Insert at least 6 inches into the drain pipe for optimal performance. Inflation requires a minimum pressure of 40 psi and should not exceed 80 psi.Color: Black Material: Rubber Package Contents: 3 x Drain Cleaning Bladders Note: Light reflection and differences in display settings may cause slight variations between the color shown and the actual product. Measurement may vary by +/- 1-3 cm.