Introducing a revolutionary 3D printed oxygen tank knob designed for ultimate convenience and safety. Crafted with precision in the USA, this innovative accessory allows you to effortlessly control the flow of oxygen from your tank. The ergonomic design ensures a comfortable grip, while the vibrant green color adds a touch of style. Upgrade your oxygen tank experience with this user-friendly and durable knob, offering ease of operation and peace of mind. Dimensions: 3 inches x 2 inches x 1.5 inches. Weight: 0.5 lbs. Credits: https://www.thingiverse.com/xplode37mm/designs https://creativecommons.org/licenses/by-sa/3.0/