Desktop air purifiers with HEPA filters. Compare CADR ratings and noise levels.
| Model | Filter Type | Coverage Area | Noise Level | Price | Action |
|---|---|---|---|---|---|
| Levoit Core MiniCompact | True HEPA | 178 sq ft | 25-45 dB | $ | Check Price |
| Coway Airmega | HEPA + Carbon | 361 sq ft | 24-54 dB | $$ | View |
| Blueair Blue Pure 411 | HEPA Silent | 161 sq ft | 17-46 dB | $$ | View |
Clean Air Delivery Rate measures cubic feet per minute (CFM) of filtered air. For desk purifiers, 50+ CFM is adequate. Larger offices need 100+ CFM.
Every 6-12 months depending on usage. Check filter indicator lights. Pre-filters should be vacuumed monthly to extend HEPA filter life.