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 Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,858 sqft in one hour, HEPASilent Smart Air Cleaner for Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 311i MaxENERGY STAR

BLUEAIR Air Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,858 sqft in one hour, HEPASilent Smart Air Cleaner for Home, Pets, Allergies, Virus, Dust, Mold, Smoke - Blue Pure 311i MaxENERGY STAR

Product ID: 522259765

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Details

Color
Grey and White
Brand
BLUEAIR
Product Dimensions
12.5"D x x
Floor Area
1858 Square
Specification Met
AHAM Verifide

📱Smart app & Alexa control

🔇Ultra-quiet 23-50 dB noise

🦠99.97% particle removal

Description

🌬️ Elevate your air game—because fresh air is the new luxury.

SILENT YET POWERFUL - Quiet Mark certified with noise levels as low as 23 dB—clean air without the distraction.
ALLERGEN ODOR DEFENSE - Captures viruses, smoke, pet dander, pollen, and traps household odors with activated carbon filter.
BREATHE PURE LIVE SMART - HEPASilent dual filtration clears 1,858 sqft in just 1 hour—fast, efficient, and whisper-quiet.
ENERGY SAVVY AIR CLEANING - ENERGY STAR Most Efficient 2023 certified, consuming less power than a standard lightbulb.
CONTROL AT YOUR FINGERTIPS - Seamlessly manage air quality with intuitive app scheduling, Alexa voice commands, and real-time monitoring.

The BLUEAIR Blue Pure 311i Max is a smart, ENERGY STAR certified air purifier designed for medium rooms up to 1,858 sqft. Featuring proprietary HEPASilent dual filtration, it removes 99.97% of airborne particles down to 0.1 microns while operating quietly between 23-50 dB. With app and Alexa control, real-time air quality monitoring, and energy-efficient performance, it’s engineered to deliver cleaner, fresher air faster and smarter for homes with pets, allergies, and smoke concerns.

Specifications

Item Weight	7.8 Pounds
Item Dimensions D x W x H	12.5"D x 12.5"W x 19"H
Color	Grey and White
Specification Met	AHAM Verifide
Noise Level	23 dB
Controller Type	Button Control, Amazon Alexa, iOS, Android
Filter Type	Activated Carbon
Floor Area	1858 Square Feet
Power Source	Corded Electric
Control Method	App

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