Blue 511i Max Air Purifier With HEPASilent™ Technology

£129.00

Filters PM10, PM2.5, PM0.1, VOCs and odours.
Catches viruses, bacteria and other germs.
Cleans 18 m² in 12.5 minutes.
Cleans 43 m² in 30 minutes.
HEPASilent™ dual filtration.
Removes 99.97% of particles down to 0.1 microns.
PM2.5 pollutant tracking.
Wi‑Fi + Blueair App.
RealTrack™ filter lifetime algorithm.
Smart home integration.
Whisper‑quiet 19–48 dB.
17 W energy consumption.
Compact 350° design.

Estimated delivery on or before

  Free delivery on orders over £50
  14-day hassle-free returns
  100% secure transactions
  Every purchase helps a UK charity
  Over 2000+ happy customers

Description

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.

Specification

Model: Blueair Blue Pure 511i Max
Recommended Room Size: 26–62 m² (2–4.8 ACH)
Max Coverage: 86 m² in 1 hour
CADR:
– Pollen: 296 m³/h
– Dust: 270 m³/h
– Smoke: 260 m³/hNoise: 19–48 dB
Energy Use: 17 W
Dimensions: 36.8 × 23.6 × 23.6 cm
Weight: 1.9 kg
Filter Life: Up to 1 year (RealTrack™)
Speeds: 1–2–3–4–Auto–Night
Sensors: PM2.5
Connectivity: Wi‑Fi, Blueair App
Air Outlet: Top

Includes

1 x Blue Pure 511i Max air purifier
1 x Particle + carbon filter
1 x Pre‑filter (colour options available)
1 x User documentation

Q&A

Q: What pollutants does the Blue Pure 511i Max filter out?
A: HEPASilent™ removes pollen, cooking odours, smoke, dust, pet dander, mould, chemicals, allergens, and even tiny particles such as viruses and bacteria.

Q: What room size is best for the Blue Pure 511i Max?
A: Around 18 m² for maximum AHAM performance. It cleans 43 m² in 30 minutes and 86 m² in 1 hour.

Q: How loud is it?
A: 19 dB on low (quieter than a whisper) and up to 48 dB on high.

Q: How often do I replace the filter?
A: Once per year. RealTrack™ calculates exact remaining life and the LED turns red when it’s time.

Delivery & Returns

Order Confirmation

As soon as you place your order, you will receive an order confirmation e-mail. We will automatically reach out to our supplier to confirm that the item is in stock. We will process the charges to your credit or debit card if your item is in stock.

Free Delivery On Orders Over £50

Dispatched directly from a supplier in the UK.
Order processing time: 1-2 business days.
Estimated delivery time: 1-2 business days.
Orders are not shipped or delivered on weekends or during public holidays.
If we are experiencing a high volume of orders, shipments may be delayed by a few days.

Free Returns

Naturally, we hope you'll love your purchase, but it's OK to change your mind. Our return policy lasts 14 days. For complete information, please read our returns and refund policy.

Curious About Your Air Quality?

Rent a monitor for up to 4 weeks starting from £40, test your air and make informed choices!

Flexible rentals, choose your preferred 2-4 weeks.
Fast delivery, Evri Next Day delivery included.
Prepaid return label; drop at any Evri shop.
£80 deposit, refunded after the safe return.
Monitors PM2.5, PM10, CO2 (NDIR), temperature and humidity.

TEST MY AIR

FREE DELIVERY

Free delivery on orders above £50

14 DAYS FREE RETURNS

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