BQLZR Oxygen Flowmeter with Control Valve for Air Gas 3.54x0.79x0.87Inch Pack of 2

Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3. High Quality Material: High quality plastic is selected, which is durable and suitable for long-term use. 4. Easy to use: It is used to measure the single-phase non-pulsating flow of gas, and to detect the flow of oxygen and air. It is simple to operate and easy to use. 5. Application: It can be used in industry, oxygen bar and other occasions where gas flow needs to be calculated. Specifications: Material:plastic and metal Color:Transparent & Black & White Brand name: BQLZR Size: 90x20x22mm/3.54x0.79x0.87Inch Center distance: 65.5mm/2.58Inch Connection method: 8MM pagoda (hose connection) Applicable medium: gas Accuracy class: 5% Flow: 0-5LPM