B And F 0-15 LPM Low Profile Oxygen Regulator

It is a solid brass (important from a safety point of view.  All reputable manufacturers are moving away from aluminium to reduce the fire/explosion risk), nickel plated regulator which has a compact, easy to read gauge with a simple to operate precision flow control valve.  Low profile gauge (flows of 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12 and 15).

Twelve month warranty.