What room size is best for the Blue Pure 511i Max?

We recommend placing in a room around 193 ft² room so your air purifier can clean the air at the AHAM recommendation of 4 times every 12.5 minutes. The Blue Pure 511i Max will clean a 460 ft² space in 30 minutes, and 920 ft² in 1 hour.

What are the noise levels of the Blue Pure 511i Max?

Operates quieter than a whisper on low at 19 db and is no louder than 48 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 511i 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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🌬️ Elevate your air game—cleaner, quieter, smarter living starts here!

ULTRA FAST PURIFICATION - Cleans up to 926 sqft in just one hour—breathe fresher, faster.
WHISPER QUIET OPERATION - Runs as low as 19 dB so your sleep stays uninterrupted.
SMART INTUITIVE CONTROL - Customize schedules, monitor air quality, and control via app or Alexa for effortless freshness.
HEPA SILENT DUAL FILTRATION - Removes 99.97% of particles down to 0.1 microns—viruses, smoke, allergens, and pet dander.
ENERGY EFFICIENT ECO FRIENDLY - Uses less power than an LED bulb with zero ozone emissions—clean air without the guilt.

The Blueair Blue Pure 511i MAX is a HEPA-certified air purifier designed for small to medium rooms up to 926 sqft. Featuring proprietary HEPASilent dual filtration, it removes 99.97% of airborne particles including viruses, smoke, and allergens. Operating at an ultra-quiet 19 dB on low and consuming as little as 2.5W, it offers smart app and Alexa integration for seamless control. Certified energy-efficient and ozone-safe, it’s the perfect blend of performance and sustainability for modern homes.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Colour	gris
Brand	Blueair
Product Dimensions	26.9D x 26.9W x 48H Centimeters
Floor Area	465 Square Feet
Specification Met	HEPA Certified
Noise Level	48 dB
Controller Type	Button Control
Wattage	20 Watts
UPC	689122026619
Special Feature	corded
Manufacturer	Blueair
Item model number	3132111100
ASIN	B08KPJ76RR

BLUEAIR Air Purifiers for Small Rooms, Bedroom, Home, Cleans 926 sqft in One Hour, HEPASilent Air Cleaner for Pets, Allergens, Virus, Dust, Mold, Smoke - Blue Pure 511i MAX

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