DeVilbiss Oxygen Concentrator.

Features:

Built upon a legacy of reliable, field-proven concentrator models, the DeVilbiss 5 Liter Oxygen Concentrator was designed with enhanced quality, durability and simplicity in mind
Patented DeVilbiss Turn-Down Technology minimizes wear on internal components, reduces power consumption by 15% or more and extends the life of the concentrator
Exclusive DeVilbiss OSD (Oxygen Sensing Device), standard on every unit, ensures patient safety and reliability for longer service intervals
Readily accessible patient controls, protected cannula fitting and recessed humidifier nook to prevent damage
Alarms Audible and visual high/low pressure, low flow, low oxygen, power fail, Oxygen Sensing Device

Specifications:

Delivery Rate	0.5 to 5 LPM
Outlet Pressure	8.5 psig
Oxygen Percentage	1-5 LPM, 87% - 96%
Power Consumption	310 Watt Average, 275 Watts @ 1.2 LPM and Below
Product Dimensions	24.5" (H) x 13.5" (W) x 12" (D)
Product Weight	36 lbs
Warranty	3 Year

Single.

Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.

DeVilbiss 5 Liter Oxygen Concentrator By Drive Medical