Precision Medical Eliminators resuscitation bag hanger turns on flow when the bag is removed for use, eliminating the need for continuous high oxygen flow to the bag. When time is critical, you don't want to be hooking up equipment. With the eliminator you simply lift up the bag and flow begins instantly. The standard configuration is available in three (3) pre-set flows. A fixed-flow barb controls flow to the resuscitation bag. The flowmeter operates independent of the Eliminator and can be used for oxygen treatments. (2016 Precision Medical, Inc.)