Gas Adjusting Valve GAV01 1. It is beautiful, light and small with regulate well. 2. Surface treatment: Chromium plated 3. Weight: 120g. 4. Working temperature: -5℃~65℃. 5. Working pressure: 0~10Kgf/cm2 6. Body material: Zine Alloy 7. Input/Output: 1/4 inch