Blueair 311i max, Washable Pre-Filter with HEPASilent dual filtration technology Air Purifier (929 Sqft, Grey)
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Key Features
Key Features
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929 Sq. Ft. Large Area Coverage : Designed to clean spaces up to 929 sq. ft. in 30 minutes, making it suitable for bedrooms, living rooms and offices.
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HEPASilent™ Dual Filtration Technology : Combines mechanical and electrostatic filtration to capture airborne pollutants efficiently with quieter operation.
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99.97% Particle Removal : Captures up to 99.97% of airborne particles down to 0.1 microns, including dust, pollen, smoke and pet dander.
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360° Air Intake Design : Draws air from multiple directions to provide efficient airflow and distribute purified air throughout the room.
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PM2.5 Air Quality Sensor : Monitors fine airborne particles and provides real-time indoor air quality information.
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5-Colour Air Quality Indicator : Displays indoor air quality through a colour-coded LED indicator for easy monitoring.
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Smart Auto Mode : Automatically adjusts fan speed according to detected air pollution levels.
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Wi-Fi Connectivity & App Control : Allows remote operation, scheduling and air quality monitoring through the Blueair mobile application.
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RealTrack™ Filter Tracking Technology : Monitors filter usage and pollution levels to provide timely filter replacement reminders.
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Night Mode Operation : Provides quieter purification with reduced display brightness for a comfortable sleeping environment.
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Activated Carbon Filtration : Helps reduce household odours from cooking, pets and smoke.
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Washable Fabric Pre-Filter : Captures larger dust particles and protects the main filter while adding a stylish appearance.
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Low Noise Performance : Operates at noise levels between 23 and 50 dB(A), making it suitable for bedrooms and quiet indoor spaces.
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Energy-Efficient Operation : Uses approximately 4–32W of power to deliver effective air purification with low energy consumption.
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Compact & Lightweight Design : Features a space-saving design weighing approximately 3.5 kg, allowing convenient placement in different rooms.
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Voice Assistant Compatibility : Supports compatible smart home voice control for convenient hands-free operation.
Technical Details
| Brand | Blueair |
| Model |
Blue Pure 211i Max
|
| Product Type |
Smart Air Purifier
|
| Coverage Area |
Up to 1200 Sq. Ft. (as advertised)
|
| Filtration Technology |
HEPASilent™
|
| Filter Type |
Particle + Activated Carbon Filter
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| Particle Removal Efficiency |
99.97% down to 0.1 microns
|
| Air Quality Sensor | PM2.5 |
| Display |
Numerical Air Quality Display
|
| Connectivity | Wi-Fi |
| Mobile App Support | Blueair App |
| Operating Modes |
Auto / Night / Manual
|
| Fan Speed Settings | 4 |
| Noise Level | 23–53 dB |
| Power Consumption | 4–46 W |
| Pre-Filter |
Washable Fabric Pre-Filter
|
| Filter Life |
Up to 12 Months
|
| Dimensions (H × W × D) |
558 × 367 × 367 mm
|
| Net Weight | 7.36 kg |
| Colour | Grey |
| Country of Origin | China |
| Warranty |
1 Year (confirm seller warranty terms)
|
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How long does it take to process an order?
How long does it take to process an order?
We guarantee 120-minute delivery across Noida and provide real-time updates on your mobile. Processing times may be slightly longer during high-demand periods or sales events.
Do you ship across India?
Do you ship across India?
We currently offer delivery only within Noida and do not ship across India at this time.
What is your return policy?
What is your return policy?
We accept returns within 30 days of delivery. To be eligible, items must be unused, in their original packaging, and accompanied by proof of purchase. If the item is faulty or damaged, we will cover the return shipping and provide a replacement or full refund.
What are your sizing options?
What are your sizing options?
This product does not require sizing. However, if you’re shopping for wearables or accessories on our store, detailed size charts are available on each product page to help you find the perfect fit.