The M2000 is our flagship mobile anesthesia machine and our best-selling unit since 1993. Its compact design and perfect center balance means complete operating room stability. Equipped with a heavy-duty shelf, it can handle monitoring equipment, ventilators, and other optional equipment configurations with ease. Quite simply, this is your must-have machine and can be outfitted for any application you need. M2000 package includes: Proven unidirectional valve design 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 17"x10" heavy-duty shelf that holds up to 50 lbs of monitoring devices M1500 For all the features of the M2000 in a non-rebreathing machine, choose the M1500.