Efficient Drain Cleaning Kit: This kit includes 3 pieces of rubber bladders in various sizes, designed to fit drain openings with diameters ranging from 1 to 6 inches. When water flows through the drain bladder unclogger, it expands to create a seal within the pipe, utilizing water pressure to swiftly clear blockages from drains, reaching up to 1000 feet away. This comprehensive set is perfect for cleaning a variety of main drains and outdoor sewer lines. Easy to Use: The unclogging bladder operates with water pressure to clear slow and blocked drains in main drainage and sewer systems. It is user-friendly and suitable for frequent application. There's no need to hire an expensive plumber, and it's a better alternative to unpleasant chemical drain cleaners. Quality Material: Made from high-quality rubber, the drain bladder unclogger is durable for long-term use in various environments. It offers excellent wear resistance, making it less prone to damage, and can withstand regular usage. The rubber material is highly extensible, allowing for smooth expansion and contraction under water pressure, providing exceptional impact resistance. Wide Range of Uses: This drain bladder kit is effective for clearing slow and clogged drains in main drainage and sewer lines without resorting to harsh chemicals. It addresses common clogs caused by hair, soap scum, grease, and more. It is suitable for all types of drains, including sinks, bathtubs, and showers. Important Tips: To use, connect the drain cleaning bladder to a cold water faucet; avoid using hot water. For optimal results, insert the bladder into the drain pipe for at least 6 inches. The inflation pressure should be a minimum of 40 psi and a maximum of 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 to vary slightly from the actual product. Measurement allowed error is +/- 1-3cm.