MH O2-cylinder mount kit with quick-release suitable for O2-cylinders:
AL-647

The Mountain High CMK ‘OMEGA’ type bracket cylinder mounting kit is a rigid, low-profile, high-strength method of securing aluminum or composite-fiber cylinders to a flat surface.
With the CMK brackets bolted in place, the cylinder is held into place by a set of stainless steel taut-bands (Kit comes standard with mounting feet and Knob, set of two).
The type-02 quick-release, or “open-loop� type in which the cylinder is easily placed and removed by loosening the grip-knobs and uncoupling the quick-release latch on the bands.