Feature:1. CLEAR READING: Panel readout is simple, convenient and clear for you to read values, fast and convenient to use2. ACRYLIC MATERIAL: Made of transparent acrylic material, light and sturdy, suitable for long term use, not easy to damage3. MEASURE, CONTROL AND ADJUST: The instrument can be used to measure and adjust the flow rate and control of gas medium4. HIGHLY PRECISE: Measuring range is wide from 100‑1000ml/min, accuracy grade is 4%, you can use with confidence5. EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and dependable performance, can make sure durability and stabilitySpecification:Item Type: Gas Flow MeterApplicable Medium: GasType: Panel TypeMeasuring Range: 100-1000ml/minAccuracy Class: 4%Application: Mainly used for measuring and controlling the flow rate of gas medium.Package List:1 x Gas Flow MeterNote:Pay attention to correct operating.