Oxygen concentrator 1L-7L
1L ：oxygen purity 90%±3
2L：oxygen purity 65%
3L：oxygen purity 55%
4L：oxygen purity 45%
5L：oxygen purity 40%
6L：oxygen purity 35%
7L：oxygen purity 30%
Included is
2 sets of masks with Oxygen lines
1 Oxygen line Splitter for 2 oxygen lines
2 Filters
Remote Control