Oxygen flow meter, gas flow meter 30 l/min, oxygen flow meter

1. Product function: Measures single-phase, non-pulsed gas flow. 2. Attractive design, lightweight, unbreakable, and durable. Detects gas flow. 3. This device can be used in industry, oxygen bars, and other situations requiring gas flow calculation. 4. High-precision transparent glass for easy operation and reading. 5. Small and portable, high-quality, lightweight, and durable.