Features: brand new and high quality Acrylic transparent panel with black float for easy reading. High measurement accuracy ,applicable to many scenarios requires high accuracy. Simple, practical and efficient,convenient and useful. The gas flow meter is a meter that measures the flow of gas and is installed in the pipeline to record the amount of gas flowing. Can measure blast furnace gas flow, coke oven gas, gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, gas, biogas, Carbon dioxide, oxygen, compressed air, argon, benzene, xylene, hydrogen sulfide, sulfur dioxide, ammonia, etc. Specifications: Material: Acrylic+Plastic+Metal Connector Material: White Plastic Medium: Gas Accuracy: 5% Flow Range: 1-5LPM Working Pressure: ≤0.6Mpa Working Temperature: 0-60℃ Product Function: Measuring Gas Single-Phase Non-Pulsating Flow Type: Black Float Size: 7x4x1.5cm / 2.76x1.57x0.59in Package Includes: 1x Flowmeter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.