Features: Widely used for measuring and controlling the flow of oxygen. Sleek design, lightweight, durable, and long service life. Product function: measures single-phase, non-pulsating gas flow. Primarily used for detecting and controlling oxygen flow; capable of measuring gas flow in various applications. Suitable for industrial equipment, oxygen bars, and other gas flow monitoring environments. Material: Acrylic + plastic + metal Size: 116 x 69 x 22mm (4.57 x 2.72 x 0.87 inches) L x W x H Connection: 8mm hose barb (pagoda type) Center distance: 90mm Applicable medium: Gas Accuracy: ±5% Flow range: 0.5–5 LPM Working pressure: ≤0.6 MPa Operating temperature: 0–60 °C Color: Silver + Black + White (as shown in pictures) Name: BQLZR Weight: 86g Package includes: 1 x LZQ-4 Oxygen Flow Meter