Anion function: to purity the air around you for clean oxygen inhalation
Energy efficient and low power: 90W. With high purity. When 1L/min, it is 92% oxygen purity( the outflow and its purity is as followings: 92%@1L; 70%@2L; 55%@3L; 38%@4L; 30%@5L
Noice: Running noise is less than or equal to 42 decibels. Available use at high altitude place.
Size and Material: 310 (L) x 165 (W) x 310 (H)mm, Weights just 14 pounds. Stainless steel mouth, stylish and durable; All copper non-oil compressor with overheat protective device.