Features CLEAR READING: Panel readout is simple, convenient and clear for you to read values, fast and convenient to use. DURABLE ACRYLIC MATERIAL: Made of transparent acrylic material, light and durable, suitable for long term use, not easy to damage. MEASURE, CONTROL AND ADJUST: The instrument can be used to measure and adjust the flow rate and control of gas medium. HIGH ACCURACY: Measuring range is wide from 10‑1000ml/min, accuracy grade is 4%, you can use with confidence. EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability. Specification: Item Type: Gas Flow Meter Applicable Medium: Gas Type: Panel Type Measuring Range: 10-1000ml/min Accuracy Class: 4% Application: Mainly used for measuring and controlling the flow rate of gas medium Package List:1 x Gas Flow Meter Note:Pay attention to correct operation. Package List 1 x Gas Flow Meter