【PACKAGE CONTENTS】: You will receive 4 barrel fitting kits, including 8 screws and 4 rubber pads. Compatible with 1-inch external threads and water barrel spouts with a 25mm hose connection, these fittings allow you to connect various barrels, buckets, and other containers, ensuring a consistent water flow and better water utilization. 【HIGH-QUALITY MATERIAL】: Made of high-quality PVC, these fittings offer excellent durability. They will not age or rust. It is easily brittle and resistant to high temperatures, making it suitable for long-term use in various environments. WATERTIGHT DESIGN: The included gasket and locking nut for the DIY rainwater harvesting tank fitting provide a more watertight connection, significantly improving sealing and preventing water leaks, while protecting the environment and water resources. EASY INSTALLATION: This rainwater harvesting tank fitting is very easy to use. Simply drill a hole in the top of the tank, insert the threaded end, and secure it with