The Blue Pure 511 is a compact, whisper‑quiet air purifier designed for small rooms and tight spaces. Powered by Blueair’s HEPASilent™ dual‑filtration technology, it removes 99.97% of airborne pollutants down to 0.1 microns while using as little energy as a single lightbulb. Perfect for bedrooms, dorms, offices, and cozy living areas.
Cleans Your Air From:
- [Coarse Particles (PM10)]: Dust, pollen, smoke, mould spores, pet hair.
- [Fine Particles (PM2.5]): Smoke, pet dander, bacteria, viruses, transport emissions.
- [Ultrafine Particles (PM0.1)]: Smoke, bacteria, viruses, cooking aerosols.
- [Microorganisms]: Bacteria, fungi, viruses.
- [Odours]: Food, pets, household smells.
How It Works:
- [HEPASilent™ Dual Filtration]: Combines electrostatic + mechanical HEPA filtration to remove 99.97% of airborne particles down to 0.1 microns.
- [3 Fan Speeds]: Choose low, medium, or high depending on room needs.
- [Integrated Air Sensors]: Automatically detect changes in air quality.
- [Washable Pre‑Filters]: Available in multiple colours to match your space.
- [Compact 350° Design]: Place anywhere — top‑air outlet and wraparound intake.
- [Ultra‑Low Energy Use]: Consumes as little as 16 W — less than a lightbulb.
- [Whisper‑Quiet Operation]: 24–49 dB depending on speed.
A Top Pick For:
- [Bedrooms]: Whisper‑quiet + auto‑dimming display.
- [Small Flats]: Cleans up to 38 m² quickly and efficiently.
- [Dorm Rooms]: Compact footprint fits on shelves or nightstands.
- [Home Offices]: Quiet enough for calls and focused work.
- [Allergy Homes]: Removes pollen, dust, pet dander, mould, and bacteria.
Why We Like It:
- [Compact & Stylish]: Scandinavian design that fits anywhere.
- [HEPASilent™ Advantage]: Faster, quieter, and more energy‑efficient than traditional HEPA.
- [Simple One‑Button Control]: No complicated menus — just tap to change speed.
- [Washable Pre‑Filters]: Easy to clean and customise.
- [Independently Proven Performance]: Strong CADR ratings for smoke, dust, and pollen.
Care and Maintenance:
- [Filter Replacement]: Replace every 6 months; LED turns red when needed.
- [Pre‑Filter Cleaning]: Wash or vacuum to maintain airflow.
- [Placement]: Works best in rooms around 16 m² for AHAM‑recommended air changes.
- [Noise Management]: Use low speed for night‑time whisper‑quiet operation.
- [Energy Use]: Runs efficiently even 24/7.