Store star ratings run high (most products average above 4.3), so they count less than written reviews.
Blue Pure 511





Blue Pure 511
| Color | White, Gray |
|---|---|
| Fan Speeds | 3 adjustable levels |
| Filter Technology | HEPASilent 4-stage filtration (pre-filter, main filter, activated carbon) |
| Noise Level | 24 dB at low fan speed |
| Power Consumption | 2 W (normal speed) |
| Room Coverage | Up to 38 m² (413 ft²) in 30 minutes |
About this item
- Combines HEPASilent 4-stage filtration with whisper-quiet operation in a sleek, energy-efficient design for small rooms.
- HEPASilent 4-stage filtration captures at least 99.97% of airborne particles down to 0.1 micron for superior air purity
- Ultra-quiet operation at 24 dB ensures minimal disturbance for restful sleep or work
- Energy Star certified for low power consumption, using only 2 watts on normal speed
- Customizable washable pre-filter colors and intuitive one-button control for easy maintenance and user experience
- Compact tabletop design fits seamlessly into small spaces like bedrooms, nurseries, or home offices
How it scores
Poor · likely 3.6 to 6.6 · low confidence
From 192 store ratings.
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Product description
The Blue Pure 511 air purifier combines powerful filtration with a sleek, compact design perfect for small spaces. Whisper-quiet, energy-efficient, and easy to use, it delivers cleaner, healthier air with minimal maintenance. Quickly cleans 189 ft² in 12.5 minutes, 454 ft² in 30 minutes and 907 ft² in 1 hour 3 fan speeds quickly removes pollutants such as viruses, bacteria, dust, & odors Consuming as little energy as a single lightbulb Variety of washable pre-filter colors designed to seamlessly blend into your space
From the seller’s listing.