1、Made of quality aluminum alloy material, it is safe, reliable and sturdy to use, which has high accuracy . 2、Refined processing, the parts are tightly connected, which has compact structure and beautiful appearance, it is safer to use. 3、The pressure gauge is made of high quality glass with thickening protection design, with clear scale, the reading is accurate and the sensitivity is high. 4、Adopt gas filter, which has double protection, more energy efficient and gas saving. 5、The gas is moistened by special filtration, so that the oxygen gas impure substances are basically filtered, safe and non‑toxic Features: 1. Made of quality aluminum alloy material, it is safe, reliable and sturdy to use, which has high accuracy. 2. Refined processing, the parts are tightly connected, which has compact structure and beautiful appearance, it is safer to use. 3. The pressure gauge is made of high quality glass with thickening protection design, with clear scale,  the reading is accurate and the sensitivity is high. 4. Adopt gas filter, which has double protection, more energy efficient and gas saving. 5. The gas is moistened by special filtration, so that the oxygen gas impure substances are basically filtered, safe and non-toxic. Specification: Condition: Brand New Material: Aluminum Alloy Input pressure: less than 15MPA Inlet screw: G5/8in Oxygen tube length: 200cm Measuring range: 0-100mpa Rated flow: 10 m3 /H Medium: oxygen Package List: 1 * Oxygen Pressure Regulator 1 * Pipe 1 * Oxygen Pressure Regulator 1 * Pipe