What room size is best for the Blue Pure 311i Max?

We recommend placing in a room around 387 ft² room so your air purifier can clean the air at the AHAM recommendation of 4 times every 12.5 minutes. The Blue Pure 311i Max will clean a 900 ft² space in 30 minutes, and 1,800 ft² in 1 hour.

What are the noise levels of the Blue Pure 311i Max?

Operates quieter than a whisper on low at 23 db and is no louder than 50 dB on high fan speed.

How often do I need to change the filters?

Your filter will last up to 9 months thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

What pollutants does the Blue Pure 311i Max filter out?

Our HEPASilent dual filtration technology removes 99.97% of airborne particles, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria, are captured.

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BLUEAIR Air Purifier for Bedroom, Home, Pets, Allergies - Smart Air Cleaner for Dust, Mold, Smoke, Odor - Kitchen Air Purifier Blue 311i Max

BLUEAIR Air Purifier for Bedroom, Home, Pets, Allergies - Smart Air Cleaner for Dust, Mold, Smoke, Odor - Kitchen Air Purifier Blue 311i Max

Product ID: 562913274

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Details

Colour
Grey and White
Brand
Blueair
Product Dimensions
31.8D x 31.8W
Floor Area
1858 Square
Specification Met
Energy Star

⚡83% faster cleaning

📱Smart app + Alexa control

🔇23-50dB whisper-quiet

Description

🌬️ Clear the air smarter, quieter, faster — because your space deserves the best.

WHISPER QUIET COMFORT - Certified Quiet Mark with noise as low as 23dB—clean air without the distraction.
ULTRA EFFECTIVE FILTRATION - HEPASilent tech removes 99.97% of particles down to 0.1 microns, including allergens, smoke, and odors.
BREATHE FASTER LIVE BETTER - Up to 83% faster air purification for instant freshness in spaces up to 1858 sqft.
ENERGY EFFICIENT ECO FRIENDLY - Energy Star Most Efficient 2023 certified, using less power than a standard lightbulb.
SMART CONTROL AT YOUR FINGERTIPS - Customize schedules, monitor air quality, and control via app or Alexa voice commands.

The BLUEAIR Blue 311i Max is a top-tier smart air purifier designed for large rooms up to 1858 sqft. Featuring proprietary HEPASilent dual filtration, it removes 99.97% of airborne particles including allergens, smoke, and odors while operating at whisper-quiet noise levels (23-50dB). Certified Energy Star Most Efficient 2023 and Quiet Mark approved, it offers smart app and Alexa control for personalized air quality management with minimal energy consumption.

Specifications

Colour	Grey and White
Brand	Blueair
Product Dimensions	31.8D x 31.8W x 48.3H Centimeters
Floor Area	1858 Square Feet
Specification Met	Energy Star Certified
Noise Level	23 Decibels
Particle Retention Size	2.5 Micrometer
Controller Type	Amazon Alexa
Wattage	4 Watts
UPC	689122023021
Global Trade Identification Number	00689122023021
Special Feature	Corded
Manufacturer	Blueair
Item model number	3332111100
ASIN	B0BN2LZ9JH

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