Ningbo Dsw Electronics Co., Ltd.

The ultra quiet Oxygen Concentrator includes all of the great features of the original DSW Oxygen Concentrator in a quieter model. At just 40 decibels typical DSW Oxygen Concentrator is one of the quietest concentrators on the market. Its small form factor, advanced motor, low power usage, and light weight, durable construction make it one of the easiest, most convenient, and most popular concentrator available.