The Easy Reg is a compact and lightweight oxygen regulator. Features - It is only 4-5/8’’ log and weighs 12 oz. with the contents gauge on the front and flow gauge on the top. - It's user-friendly. The flow adjustment knob is accessible making flow adjustment easy. The large easy-to-read numbers on the flow gauge offer better visibility of the flow setting. - The unique uni-body design makes it a good substitute for those who prefer a gauge-type regulator over a dial regulator. - Built-in safety. The Easy Gauge Reg has a built-in pressure relief valve as well as a protected contents gauge. The low force Viton yoke seal has a better tank-to-reg seal. - It's accurate. The unique design minimizes the normal flow variation that occurs as tank pressure drops. - It's flexible and versatile. It is available in two body designs - yoke or nut style and in two flow ranges – 0-8 lpm and 0-15 lpm.