Blueair Blue 511i Max Air Purifier With HEPASilent™ Technology

The Blue Pure 511i Max is Blueair’s smartest compact purifier — whisper‑quiet, powerful, and designed for bedrooms, offices, and family spaces. With HEPASilent™ dual filtration, PM2.5 tracking, auto mode, RealTrack™ filter monitoring, and app control, it delivers fast, effortless clean air in any small room.

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] — Electrostatic + mechanical filtration removes 99.97% of airborne particles down to 0.1 microns.
• [Smart Auto Mode] — Automatically adjusts fan speed based on real‑time air quality.
• [PM2.5 Pollutant Tracking] — Integrated sensors provide instant readings.
• [RealTrack™ Filter Algorithm] — Accurately calculates filter life based on usage and pollution levels.
• [Blueair App + Wi‑Fi] — Control fan speeds, set schedules, lock display, monitor air quality, and reorder filters.
• [350° Air Intake] — Place anywhere — floor or table — for optimal airflow.
• [Welcome Home Automation] — Turns on when you arrive, off when you leave.

A Top Pick For:

• [Bedrooms] — Whisper‑quiet 19 dB night mode + dimmable lights.
• [Home Offices] — Compact footprint + smart sensing.
• [Kids’ Rooms] — Quiet, safe, and auto‑adjusting.
• [Small Living Rooms] — Strong CADR for compact spaces.
• [Allergy Homes] — Deep particle removal + real‑time PM tracking.

Why We Like It:

• [Fast Cleaning] — 18 m² in 12.5 minutes, 43 m² in 30 minutes.
• [Smart Everything] — PM2.5 tracking, auto mode, app control, scheduling.
• [Quiet & Efficient] — 19–48 dB and just 17 W energy use.
• [RealTrack™ Filter Life] — Accurate, usage‑based filter tracking.
• [Kid‑Friendly Design] — Safe edges, quiet operation, auto mode.

Care and Maintenance:

• [Filter Replacement] — Replace annually; LED turns red when needed.
• [Pre‑Filter Cleaning] — Wash or vacuum to maintain airflow.
• [Placement] — Works best in rooms around 18–43 m².
• [App Alerts] — Receive filter reminders and air‑quality notifications.
• [Noise Management] — Night mode for whisper‑quiet operation.