Portable Oxygen Concentrator 1-4.5 liters

Air Volume: 50m³/h Power (W): 90-100 W Voltage (V): 100-240 V Capacity (CFM): 1-5 LPM Style: Oxygen Bar Application area: <10㎡ Installation: Portable Type: PSA Power Supply: Battery Powered Battery life: 2 hours Dimension: 350 x 160 x 480 mm Oxygen Supply: 3.1 L/min (included) – 5 L/min (not included) Flow Settings: 1-5 settings (1.8 LPM continuous and 4.5 L pulse flow) Oxygen Purity: 90% 5%/-3% at any settings Weight: 11.5 lbs (5.2kg) Machine only, 13.7lbs (6.2kg) with battery Size: 9.1 in x 8.7 in x 12.8 in (23 cm x 22 cm x 32.5 cm) Sound Level: ≤ 40 dB (nominal) at home Alarms: Lower Purity, Lower battery, Power failure Certification: CE