Oxygen Concentrators :
- *Function:* Concentrates O2 from air (like pulling pure O2 outta thin air)
- *Output:* 1-10 LPM, varying purity (90-95%)
- *Types:* Portable, stationary, with/without humidifier
- *Use:* COPD, respiratory therapy, homecare
- *Power:* AC, battery, or DC (for mobility)