SWIVEL DESIGN: The main feature of this oxygen tubing connector is its swivel design. This swivel connector permits the tubing to be twisted in such a manner that it can roll up or lay flat, preventing snarls and kinks from tubing. It features a 360-degree swivel and a secure locking design. WIDE COMPATIBILITY: This tubing connector is compatible with all standard oxygen tubing and oxygen therapy. Easy to use and connect, hassle free to obtain and purchase. DURABLE: The material is of high quality and durable. It does not easily deformed or damaged. With its quality, this can be used for long term, and still retaining its quality CONVENIENT: With 10 units in a set, one does not have to bother buying it individually. The price is already affordable and user friendly. Good quality and functionality for a good price.