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Purifier vs Humidifier
Decide whether to filter dust, smoke, pollen, and odors with an air purifier or add moisture to dry air with a humidifier.
BLUEAIR 3131000000 Air Purifier: HEPASilent dual filtration technology
Meet the Blueair Blue Pure 511—the little air purifier that could. It's Blueair's most compact model, but don't let its size fool you. Thanks to that nifty HEPASilent™ tech (exclusive to Blueair, by the way), it can freshen up a 432sqft space in just 30 minutes. Got a cozy 180sqft room? It'll have that feeling crisp in about 12.5 minutes.* Simple to use? Check. Powerful? Absolutely. And with its sleek design and quiet operation, it's perfect for tucking into your bedroom or office without a fuss.
- On its highest fan speed, this little powerhouse delivers clean air like a champ. (Yeah, we're talking CADR based on AHAM AC-1 standards.)
- Ever wondered about air changes per hour (ACH)? It's basically how much fresh air gets swapped into a room over time. This purifier's got that covered.
- At its quietest, it's about as loud as a whisper—around 30 dB. So, no, it won't keep you up at night.
- We put it to the test against PM 2.5 particles (those pesky 0.1 - 2.5 micron ones), and it passed with flying colors in up to 90 minutes.
- And just so you know, when we say 'light bulb,' we mean an LED one that sips just 40 watts. Because who's got time for high energy bills?
Features
- Compact for fresh air
- Powerful yet whisper-silent
- Personalizable design
- Efficient and compact
- Blueair replacement filter
- Let’s clear the air with Blueair
- Air changes per hour (ACH): 4.8
- HEPASilent dual filtration technology
General specs
- Brand: BLUEAIR
- Model: 3131000000
- Seller: Amazon
- ID: B08KPJCDN6
- upc: 689122023182
- Floor Area: 432 Square Feet
- Item Weight: 5.24 pounds
- Noise Level: 24 dB
- manufacturer: Blueair
- Controller Type: Button Control
- Number of Pieces: 1
- Assembly Required: No
- Care Instructions: Hand Wash
- Country of Origin: China
- Item Model Number: 3131000000
- Specification Met: Energy Star Certified
- Batteries Required: No
- Product Dimensions: 7.9"D x 7.9"W x 13.9"H
- Included Components: Air Purifier, installed filter, fabric pre-filter
- Particle Retention Size: 0.03 Percentage
- First listed by seller: June 15, 2025
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
RUB 5,472.14
Free shipping
New
Sold by Amazon
FBA
Shippable
Offers updated: 6/18/26
Price History for seller Amazon
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | BLUEAIR | LEVOIT | AIRROMI | AIRROMI | AIC | Dkenicor |
| Model | 3131000000 | LV-H132 | A2005-Purple | A2005 | XJ-3900A | HEPA |
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| Price | RUB 5,472.14 | RUB 6,566.71 | RUB 2,918.13 | RUB 2,918.13 | RUB 17,990.00 | RUB 10,945.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Vashtovar.rf | Amazon |
| Update | May 29, 2026 | Apr 19, 2026 | May 13, 2026 | May 11, 2026 | Aug 19, 2024 | Mar 21, 2026 |
| Noise Level | 24 dB | 28 dB | 22 decibels | 22 | 36dB in sleep mode | |
| Product Dimensions | 7.9"D x 7.9"W x 13.9"H | 7.9"D x 7.9"W x 12.6"H | 6.5 x 6.5 x 10.6 inches | 15.35 x 15.35 x 29.9 inches | ||
| Coverage Area | Up to 549 sq.ft | 549 | Up to 5000 square feet | |||
BLUEAIR 3131000000 HEPASilent dual filtration technology
RUB 5,472.14
When this device makes sense
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