Specifications Item Model Number: EHM-HO2000 Voltage: AC120V 60Hz Power: 400W Hydrogen Output Flow: 1333ml/min Oxygen Output Flow: 666ml/min Water Tank Capacity: 4000ml Supported Water: TDS5 (Pure Water/Distilled Water) Product Weight: 31.3 lbs / 14.2 kg Product Dimensions: 11.81 x 16.73 x 20.08 in / 300 x 425 x 510 mm Package Content 1 x Hydrogen Inhaler 2 x Silicone Nasal Cannula Sets 10 x Silicone Nasal Prongs 1 x Power Cord 1 x Silicone Straight Tube 1 x Three-Way Tube 1 x User Manual 1 x Hydrogen Dissolving Rod 1 x Inlet and Outlet Water Tube