1. This filter is compatible for Devill Biss , Invacare , Nidek Oxygen Concentartors.
2. To increase the efficiency and life of the Oxygen concentrator, this filter has to be replaced after every 5000 hours.
3. This reduces the load on the machine and there by reduces power consumption. Oxygen concentrator gives more life.
4. Avoids frequent repairs.
5. This is used as a preventive Maintenance for Oxygen Concentrator. It can be replaced by user. So no additional cast for replacement.