Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Produces less noise, less heat and consumes less power than other units on the market today * Delivers a clean, portable and continuous oxygen supply for homecare use * Built with quality workmanship and designed to be highly reliable while maintaining cost effective operation * Will deliver the necessary consistent concentrated oxygen and flowrates as ordered by the attending physician * Smart monitoring and security control systems allow for constant awareness of possible failures or malfunctions and ensures that the patient is always alerted with audio and visual alarm systems 5 Liter: * Concentration: 93%+/-3% * Power consumption (average): 300W * Noise Level: <45dB(A) * Gross Weight: 62 Lbs. *