Features: 1. Product function: Measures gas single-phase non-pulsating flow 2. Attractive design, lightweight, durable, and long service life 3. Primarily used for detecting and controlling oxygen flow; capable of measuring gas flow in various applications. Suitable for industrial environments, oxygen bars, and other settings requiring gas flow measurement 4. Each product includes a unique Manufacturing Part Number label on the inner packaging, indicating compliance and including Part Number, Model Number, and inspection date 5. For any inquiries, please provide the Manufacturing Part Number for verification to ensure your rights and support Material: Acrylic + plastic + metal Size: 120 x 72 x 20mm (L x W x H) Connection: 8mm pagoda hose connector Center distance: 94.5mm Applicable medium: Gas Accuracy: 5% Flow range: 3-30 LPM Working pressure: 0.6 MPa Operating temperature: 0-60°C Color: Multicolor (as shown in images) Weight: 100g Package includes: 1 x LZQ-7 Oxygen Flow Meter