Feature: Easy to use:It is simple to use, and has 8mm barbs for convenient connection to hoses Mainly used for detecting the oxygen flow, control oxygen flow and can be used in industry. Flowmeter Interface is connected by Thread Interface. Product function: to measure gas single-phase non-pulsating flow If you are not familiar with the product information, you can contact customer service before purchasing. Specification: Color: White Material: Plastic,Metal; Center distance: 65.5mm. Connection method: 8MM/0.31Inch (Hose Connection) Material: Acrylic + plastic + metal Village ruler Specifications: 65 x 22 x 90 mm / 2.56 x 0.87 x 3.54" (WxTxH) Connection: 8MM pagoda (hose connection) Center distance: 65.5mm Applicable medium: Gas Accuracy: 5% Flow range: 0-5LPM Working pressure: 0.6Mpa Operating temperature: 0-60 C Quantity: 1Pc Note: And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Content: 1 x Panel Type Flow Meter