Oxygen Miscellaneous Oxygen-Conserving Reservoir in a concealable pendant. Can be used at liter flows up to 7.5 to give the equivalent 10 lpm. Effective with all oxygen sources. Eliminates the need for two concentrators for high-flow patients. Provides adequate saturations at higher flow, eliminating the need for a nonrebreather mask. Manufacturer:  Chad Therapeutics Oxygen-Conserving Reservoir in the face piece. Can be used at liter flows up to 7.5 to give the equivalent 10 lpm. Effective with all oxygen sources. Eliminates the need for two concentrators for high-flow patients. Provides adequate saturations at higher flow, eliminating the need for a nonrebreather mask. Manufacturer:  Chad Therapeutics   More Products