The Global green oxygen tubing is made with 6 individual channels and a central lumen which discouraged kinking and obstruction formation, ensuring safe oxygen therapy with unrestricted flow. The crush and memory-resistant tubing are great for use while sleeping because you don't have to worry about restricting your oxygen flow when laying on the tubing. It is also memory-resistant to reduce obstructions, prevent individuals from tripping, and prevent the tubing from catching on corners. These tubes...