Porter Vanguard Automatic Changeover Manifold - system will switch to reserve cylinder when main cylinder is empty. Desk and wall alarm packages are available. NFPA 99 Level 3 Compliant
WARNING: This product can expose you to chemicals, including Mercury, mercury compounds, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.