HIGH QUALITY-- Oxygen Flowmeter adopts high quality acrylic for long lifespan, it is transparent and can hold up to 0.6MPa pressure. WIDE APPLICATION-- Gas Flowmeter is mainly used for measuring the oxygen flow, control oxygen flow and can be used in industry. SUITABLE GAS-- Flow Meter can measure blast furnace gas, oven gas, coal gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine gas, methane, carbon dioxide, oxygen, compressed air, argon, toluene, benzene, xylene, hydrogen sulfide, sulfur dioxide, ammonia and more EASY INSTALLATION-- The Oxygen Flowmeter features simple construction, and has 8mm barbs for convenient connection to hoses. PURPOSE-- This gas meter can be connected to hose to measure unidirectional gas flow. Accuracy: 5%, Range: 2.5~25LPM, Pressure: 0.6MPa (recommended 101.3KPa), Temperature: 0~60C (recommended 20) Material: Acrylic+plastic+metal Connection: 8mm hose barb Accuracy: 5% Range: 2.5~25LPM Pressure: 0.6MPa (recommended 101.3KPa) Temperature: 0~60C (recommended 20) Package Includes:1 x Gas Flowmeter