CO-Pilot O2 Kit +Harness Mount + Nasal Cannula. CO-Pilot oxygen kit is a small, lightweight, yet very capable oxygen system that can be easily attached to a harness or control bar or carried in a pack for getting safely to a mountain launch. Includes a regulator with guage. This complete kit includes an Regulator, Nasal Mask, 2 Cylinders, Oxymizer cannula and mounting bag. Additional Refill Cylinders are also available. Choose the style of your cannula on the order form.