Features Protective Film On Surface: This oxygen regulator has a protective film on the surface, the scale is clearly visible and not easy to fade. Dual Displays: This oxygen regulator features dual displays that are easy to read and will help you read your measurements accurately. Non Slip Design: This oxygen regulator has an anti slip design, which is not easy to slip and more labor saving to use. Compact And Lightweight: This oxygen regulator is small and lightweight, which makes it very easy to install and replace. Wide Application: This oxygen regulator is widely used in welding, cutting, chemical, medical and health care, electronics and other industries. Specification: Item Type: Welder Oxygen Regulator Gauge Material: Brass Applicable Medium: Oxygen Inlet Interface: Approx. 8mm/0.31in Display Range: 0-25MPa, 0-2.5MPa Use: Pressure Reduction Ambient Temperature: 30℃ Package List:1 x Welder Oxygen Regulator Gauge1 x Accessory Package List 1 x Welder Oxygen Regulator Gauge 1 x Accessory