10 Expert-Recommended Oxygen Concentrators for 2025: Reliable, Affordable, and Easy to Use

6. DeVilbiss 5 Liter Compact Concentrator

Best For: Budget-conscious buyers
Highlights:

• Under $800 retail price
• Simple rotary control
• 5-year warranty

User Feedback:
If you live in a smaller apartment or share a space with someone, this model won’t disturb your daily life. A lot of families appreciate how simple it is to operate—just turn the dial, and you’re good to go. No complicated settings, just comfort and control.