The new ALS Ultra includes all of the features of the best selling Thomas Advanced Life Support pack, plus a number of new innovations, including: - The ability to carry a “D” or BOC CD size cylinder - Increased reflectivity on the sides of the pack - New heavy-duty, militarized backpack straps - Larger, removable, clear vinyl interior pockets - Increased exterior pocket size and depth to hold an additional Thomas Drug box,or the new Thomas Intubation pack The ALS Ultra pack is the new premier all-in-one pack for the EMS industry today.Designed to carry virtually all of the equipment and supplies needed by emergency medical teams to perform advanced cardiac and trauma life support. Our colour coded ABC configuration (Airway,Bleeding & Cardiac Medicine) helps responders communicate and significantly increases equipment location recall while treating the critically ill. The Thomas ALS Ultra pack contains two large exterior pockets, each capable of holding an additional Thomas Drug box, or the new Thomas Intubation pack, a padded, secured oxygen carrying cylinder, six colour coded removable sections, four exterior removable vinyl side pouches,and 19 miscellaneous soft pouches.