Extremely compact and versatile, the M3000 is widely used for rodents and other small animals of up to 15 lbs. While this compact machine takes up less than one square foot of table space and is light enough to carry between treatment areas, it offers excellent safety for your patients and convenience for you. M3000 package includes: 0-4 Lpm O2 flowmeter with mechanical stop flow control Oxygen flush with safety restrictor