We Specializes In Supply Medical equipment such as :5L Medical Oxygen Concentrator Keyhub brand ) Detail information: Power: 280W in average, less than 350W in highest level Size: 305 300 535(LWH)mm Weight: 14.5 kg Outlet: 1 Output Pressure: 0.04-0.06 MPa Oxygen Flow Rate: (0-5)L/min. Within (0-5)L/min, the oxygen concentration 90% Noise: 48dB (A) Advantage: 1. Fashionable appearance; 2. Lghtest in weight; 3. Smallest in size; 4. Easy to move with handle and wheels; 5. PSA technology, no need to add chemical materials; 6. High oxygen purity: 90%@5L; 7. Self-patentd core components 8. Energy-saving and econimical:more than 3 hour's oxygen inhalation just need 1 degree electricity. MQO: 500 PCS . Made in China