Quick Take
The KOIOS is designed for personal space purification with portability and quiet operation in mind.
Overall Score: 7.8/10 - Desktop Personal Pick
Safety Analysis - Score: 7.8/10
H13 HEPA captures 99.97% particles. No ionizer. Safe for desktop use near face.
Performance - Score: 6.8/10
200 sq ft coverage - truly designed for personal space. Ultra-quiet at 20 dB sleep mode.
Value - Score: 9.0/10
At $40-60, good value for personal purification. Filter replacement around $15 every 3-4 months.
The Bottom Line
For desktop or personal space purification with portability, the KOIOS delivers.
