The M1000 is the right choice for smaller patients and quick procedures. Compact and portable, this value-priced, non-rebreathing, floor-stand model model offers you and your patients safety, security, and convenience. M1000 package includes: Quick disconnect common outlet 0-4 Lpm O2 flowmeter with mechanical stop flow control Oxygen flush with safety restrictor Dual O2 supply ready with check valves 5-leg base with large 3? shielded casters