Feature: 1. CLEAR READING: Panel readout is simple, convenient and clear for you to read values, fast and convenient to use 2. DURABLE ACRYLIC MATERIAL: Made of transparent acrylic material, light and durable, suitable for long term use, not easy to damage 3. MEASURE, CONTROL AND ADJUST: The instrument can be used to measure and adjust the flow rate and control of gas medium 4. HIGH ACCURACY: Measuring range is wide from 10‑1000ml/min, accuracy grade is 4%, you can use with confidence 5. 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.