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Description
Dyson Purifier Big+Quiet Formaldehyde BP04 — Prussian Blue/Gold
Dyson's Quietest, Most Powerful & Most Advanced Air Purifier
The Dyson BP04 Purifier Big+Quiet Formaldehyde is engineered to purify large spaces quietly — delivering over 21 gallons of purified air per second while operating 50% quieter than any other Dyson purifier. With CO₂ sensing, exclusive K-carbon filtration, and formaldehyde destruction, it's Dyson's most advanced purification system.
Key Features
- 50% quieter at full power — Acoustically engineered for minimal noise; Night mode is 50% quieter than any other Dyson purifier, with a Sleep timer
- Captures 3x more NO₂ — Exclusive K-carbon filter captures three times more nitrogen dioxide, a common urban pollutant
- HEPA-H13 + K-Carbon + SCO filtration — Fully sealed system captures particles, gases, and formaldehyde — what goes inside, stays inside
- CO₂ sensing — Monitors CO₂ levels and alerts you when they reach harmful concentrations
- Cone aerodynamic projection — High-velocity air jets coalesce over the dome to project a focused stream of purified air across large spaces
- Powerful cooling — Delivers over 21 gallons of purified air per second; adjustable airflow angle (0°, 25°, or 50°) and Breeze mode for a natural feel
- Long-lasting HEPA-H13 filter — Lasts up to 11 years; remove and dispose in one click
- Auto mode — Continuously senses air quality and reacts automatically, only using energy when needed
- MyDyson™ app compatible — Monitor what's been captured, set schedules, browse reports, and control remotely
- Easy to move — Discreet hidden wheels designed for hard surfaces for effortless repositioning
Technical Specifications
| Model | Dyson BP04 Purifier Big+Quiet Formaldehyde |
| Color | Prussian Blue/Gold |
| Filter Type | HEPA-H13 + K-Carbon + SCO (fully sealed) |
| Filter Lifespan | Up to 11 years |
| NO₂ Capture | 3x more than standard Dyson purifiers |
| Airflow Output | Over 21 gallons of purified air per second |
| Airflow Angle | 0°, 25°, or 50° adjustable |
| Noise Level | 50% quieter than other Dyson purifiers at full power |
| CO₂ Sensing | Yes — alerts at harmful levels |
| App Control | MyDyson™ app (iOS & Android) |
| Mobility | Hidden wheels for hard floor movement |
Payment & Security
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