The seal is a small part to fasten the connection and prevent the water or leaking. It is a round circle shape. A water seal is a sealing mechanism used to create a watertight barrier and prevent the passage of water between two components. It is designed to maintain a tight seal, preventing leaks and ensuring the integrity of plumbing systems, industrial equipment, and other applications where water containment is essential. While an air seal that prevents the passage of air or vapor. Our seal work perfectly on JLG, Genie, Skyjack, Snorkel, MEC and other brands lifts. They are reliable and durable, making them suitable and safe for various uses.