Features: 1. Product function: Measures gas single-phase non-pulsating flow. 2. Sleek design, lightweight, durable, and long service life. 3. Primarily used for detecting and controlling oxygen flow; capable of measuring other gas flows as well. Suitable for industrial applications, oxygen bars, and other environments requiring gas flow measurement. 4. Each product includes a unique Manufacturing Part Number label on the inner packaging, indicating Part Number, Model Number, and inspection date, confirming product qualification. 5. For any inquiries, please provide the Manufacturing Part Number for verification to ensure your support and satisfaction. Material: Acrylic + plastic + metal Size: 120 x 72 x 20mm (L x W x H) Connection: 8mm hose connection (pagoda type) 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