***CLOSEOUT, Discontinued: When existing inventory is sold, no more will be produced. 50% discount to be applied.*** Dive cylinders containing specialty gases should be clearly marked to prevent confusion or a dangerous mix-up. Several TEK diving accidents are already attributable to just such mistakes. Global’s gas stickers measure 3" x 20" and are printed in colors conforming to CGA suggested code. Stickers can be applied vertically or horizontally around the tank. They can also be cut into multiple labels for use on small cylinders.