1. Oxygen Supply Connections 11. Bag/Ventilator Selector Valve 21. Suction Source Connection 2. Air Supply Connection 12. Ventilator Hose Connection Port 22. Gas Supply Pressure Gauges 3. Oxygen Flush Valve 13. Manual Breathing Bag Port 23. Scavenged Gas Hose to Manifold (19) 4. Oxygen/Air Flowmeters 14. CO2 Absorber Canister (active) 24. Airway Pressure Gauge (APG) 5. Auxiliary Oxygen Flowmeter 15. CO2 Absorber Canister (spare) 25. Fresh Gas Hose 6. Anesthetic Agent Vaporizer 16. Waste Anesthesia Gas Scavenging Manifold 26. Lifting Handles 7. Breathing Circuit Manifold 17. Active Suction Control Valve 27. Mask Elbow Occluder 8. Inhalation Valve 18. Scavenged Waste Gas Outlet to (19) 28. APG Hose 9. Exhalation Valve 19. Scavenged Waste Gas Inlet to Manifold 29. Operator Check List 10. Airway Pressure Limiting Valve (APL) 20. Waste Gas Reservoir Bag Port