Air purifiersENERGY STAR certified
Rainbow Brisk Box Ultra
370 cfm fan and filter air purifier.
Smoke CADR
370 cfm
Room size
574 sq ft
Annual energy use
94 kWh/yr
Filter
HEPA
Of 225 certified fan and filter air purifiers, 2 have a higher efficiency than the Brisk Box Ultra (25.2 CADR/W).
- Maker
- Rainbow
- Model
- Brisk Box Ultra
- Type
- Fan and Filter
- Room size
- 574 sq ft
- Smoke CADR
- 370 cfm
- PM2.5 CADR
- 404 cfm
- Dust CADR
- 441 cfm
- Efficiency
- 25.2 CADR/W
- Annual energy use
- 94 kWh/yr
- Filter
- HEPA
- Ozone emissions
- 0 ppb
- On the market since
- Nov 2025
- ENERGY STAR certified
- 12 Dec 2025
Source: ENERGY STAR certified air purifiers dataset, US EPA, record 4518178, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the Brisk Box Ultra
Certified air purifiers from other makers, same color class, within 20% of its speed.
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| Alen BreatheSmart 75i_V2 | Fan and Filter | 370 cfm | 574 sq ft | 304 kWh/yr |
| IQAir ATEM E | Fan and Filter | 369 cfm | 572 sq ft | 295 kWh/yr |
| Midea KJ600G-RX600A | Fan and Filter | 366 cfm | 567 sq ft | 341 kWh/yr |
| PURECODE PAR001 | Fan and Filter | 366 cfm | 567 sq ft | 341 kWh/yr |
| Sharp KJ600F-LM1-SH | Fan and Filter | 366 cfm | 567 sq ft | 341 kWh/yr |
| Coway Airmega Airmega 400 | Fan and Filter | 376 cfm | 583 sq ft | 366 kWh/yr |
Rainbow
More Rainbow air purifiers
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| Exhalaron Ultra Tri | Fan and Filter | 111 cfm | 172 sq ft | 42 kWh/yr |
| Luggable Ultra | Fan and Filter | 231 cfm | 358 sq ft | 93 kWh/yr |
| Luggable XL Ultra | Fan and Filter | 333 cfm | 516 sq ft | 81 kWh/yr |
| Luggable XXL | Fan and Filter | 306 cfm | 474 sq ft | 75 kWh/yr |