Efficient Drain Cleaning Kit: Includes 3 drain rubber bladders in different sizes, suitable for drain openings with a diameter of 1 to 6 inches. Uses water pressure to expand and seal the pipe, helping clear clogged drains effectively. 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. Eliminates the need for costly plumbing services and avoids the use of chemical drain cleaners. Quality Material: Made of durable rubber for long-term use. Resistant to wear and damage, capable of withstanding frequent use. Highly flexible to expand and contract under water pressure with strong impact resistance. Wide Range of Uses: Effectively clears clogs in drains and sewer lines without harsh chemicals. Addresses blockages caused by hair, soap scum, grease, and other debris. Suitable for various drain types 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 performance. 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 differences in display screens may cause slight variations in color between the product and the image. Measurement may vary by +/- 1-3 cm.