Specifications include, but are not limited to: Shreveport Fire owns 185 “D” size cylinders and 25 “C” size cylinders. 1.2 Refill C, D, and G bottle (cylinder) sizes with medical grade oxygen 1.3 It is acceptable for the supplier to exchange cylinder for cylinder in lieu of refilling the exact cylinder as was picked up. 1.4 Shreveport Fire will need to rent, at minimum, 26 “G” sized oxygen cylinders. These cylinders shall contain some form of notification system to indicate when the bottle is full or is empty. This can be in the form of a perforated tagging system, label, ring, etc… 1.5 Provide at no cost a minimum of 22 “cylinder racks” capable of holding 4-6 “D” sized cylinders. These racks will be placed at the individual fire stations. Ownership shall remain with the company awarded the bid.