# BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter

Filter: The BLUEAIR Blue Pure 511 is a compact, corded air purifier with particle and carbon filtration, designed for bedrooms, dorms, and home offices. The listing claims 24 dB operation on low and up to 432 square feet of coverage, while recommending a smaller room for its stated air-change rate.

- [Original product page](https://best-deals.pro/product/blueair-blue-pure-511-air-purifier)
- [View offer](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- Market: US
- Language: en-US
- Currency: USD
- Brand: BLUEAIR
- Model: Blue Pure 511 100-120V with Particle + Carbon filter, Arctic Trail
- Category: Home & Kitchen > Heating, Cooling & Air Quality > Air Purifiers
- Price: 74.99 USD
- Previous price: 99.99 USD
- Discount: 25%
- Price checked: 2026-11-12T11:06:04.868Z
- Rating: 4.4 / 5
- Reviews: 3331

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- HEPASilent dual filtration is claimed to capture at least 99.97% of airborne particles down to 0.1 microns.
- Manufacturer claims coverage up to 432 square feet in 30 minutes, or 180 square feet in about 12.5 minutes, at highest fan speed.
- Low-speed noise is listed at 24 dB. A separate manufacturer FAQ lists up to 49 dB on high.
- Washable fabric pre-filter is included, and the manufacturer says it can be washed on a gentle cycle with mild detergent.

## Pros

- Compact listed dimensions and 5.2-pound weight suit placement where floor space is limited.
- Touch controls provide simple operation without a listed app or network setup.
- The supplied filter combines particle filtration with activated carbon, according to the model description.

## Cons

- The stated 432-square-foot coverage is tied to a 30-minute cleaning claim, while the manufacturer recommends around 192 square feet for its stated four air changes per hour target.
- The listing specifies North American use with 110-120V input, limiting suitability outside that voltage range.

## Specifications

### Identity
- Brand: BLUEAIR
- Model: Blue Pure 511 100-120V with Particle + Carbon filter, Arctic Trail
### Filtration and coverage
- Filter type: Activated Carbon
- Filter class: HEPA
- Particle retention size: 0.1 micron
- Listed floor area: 432 square\_feet
- Listed noise level: 24 db
- Specification met: Energy Star Certified
### Controls and power
- Control method: Touch
- Power configuration: Corded Electric
### Dimensions and installation
- Dimensions: 7.9"D x 7.9"W x 13.9"H
- Weight: 5.2 pounds

## Before you buy

- Coverage claims vary by context: the title says up to 907 square feet, product details list 432 square feet, feature text claims 432 square feet in 30 minutes and 180 square feet in about 12.5 minutes, and manufacturer guidance recommends around 192 square feet for four air changes per hour. Confirm the room-size metric that matches your needs. The title also calls the color Blue 511, while model details specify Arctic Trail and the color field says White/ Dark Grey. The model description lists 100-120V, while the use note specifies 110-120V. Noise is listed as 24 dB on low and up to 49 dB on high.

## In the box

- Air purifier (Included)
- Installed filter (Included)
- Fabric pre-filter (Included)

## A good fit for

- Bedroom, dorm, or office users seeking a compact purifier for a smaller room and simple touch controls.
- Buyers who want a washable fabric pre-filter and manufacturer-claimed particle filtration with an activated-carbon component.

## Less suited to

- People needing one clearly substantiated coverage figure for a large room without checking the listing's differing room-size claims.
- Users outside North America or without 110-120V input, according to the stated use restriction.

## Customer feedback

Customer feedback highlights compact size, quiet operation, and perceived improvements in air quality and allergy symptoms. Those reports may matter to buyers placing this unit near a bed or desk, though they do not establish a guaranteed result. Feedback is mixed on value, and some customers report durability problems, including units failing after months of use.
- Positive themes: Customers describe the purifier as compact and quiet, and report perceived air-quality and allergy relief.
- Negative themes: Some customers report durability concerns, including units breaking after months of use.
- Mixed feedback: Opinions on value for money differ.

## Frequently asked questions

### How large a room is the Blue Pure 511 listed for?
The title says up to 907 square feet, but product details list 432 square feet and manufacturer claims specify different cleaning times and room sizes. The manufacturer also recommends around 192 square feet for its stated four air changes per hour target. Check which room-size claim applies to your use.
### How loud is it?
The listing gives 24 dB on low. A manufacturer FAQ says it can reach 49 dB on high.
### Can the pre-filter be washed?
The listing describes a washable fabric pre-filter. Manufacturer guidance says to wash it on a gentle cycle with mild detergent.
### What voltage does it use?
The model name says 100-120V, while the use note says North America only and specifies 110-120V input. Check the voltage requirement before purchase.

## Offer details

- For North American use only, with stated input voltage of 110-120V.

## Alternative options

- [BLUEAIR Air Purifiers for Home Bedroom Dorm up to 1,190 Ft², Signature SP1i \| OdorFence Removes Odors, WiFi, Auto Detects Particles & Gases, Swedish Engineered Quiet 19dB & Compact HEPASilent Filtration](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [BLUEAIR Air Purifiers for Home Large Room up to 3,235 Ft², Blue 211i Max \| WiFi, Auto Mode, Quiet 23dB HEPASilent Filtration, AHAM Verified, Washable Pre-Filter, Captures Pet Hair Allergens Dust Smoke](https://best-deals.pro/visit/blueair-blue-pure-211i-max-air-purifier)
- [Levoit Air Purifier for Home Pets Hair Allergens in Bedroom Quiet Purifiers \| Quiet HEPA Sleep Mode, Remove 99.97% Dust Pollen Smoke Pet Odor, AHAM VERIFIDE, Core300-P, Up to 1073 ft², White](https://best-deals.pro/visit/levoit-core-300-p-air-purifier)
- [Levoit Air Purifier for Home Pets Bedroom Dorm Room, Smart & Voice Control \| AHAM VERIFIDE, 3-in-1 Filter With HEPA Sleep Mode, for Pollen, Pollutants, Smoke, Dander, Dust, Pet Hair, Core 200S-P, White](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
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- [2-pack 511 Replacement Filter for Blueair Blue Pure 511 Air Purifier \| True HEPA Filters and Activated Carbon Filter\(NOT for 511i MAX\)](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [BLUEAIR Air Purifiers for Home Large Room up to 3,385 Ft², Signature SP4i \| OdorFence Removes Odors, WiFi, Auto Detects Particles, Swedish Engineered Quiet 23db & Powerful HEPASilent Filtration](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [Blue Pure 511 Replacement Filter, Compatible with Blueair Blue Pure 511 Air Puri-fi...](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [3 Packs 511 Replacement Filters Compatible with Blueair Blue Pure 511 Air Cleaner P...](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [511 AllergenBlock Replacement Filter for Blueair Blue Pure 511 Air Purifier \| True H13 HEPA Filters, and Activated Carbon Filter, BLUE, 2 Pack](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)
- [MOOKA Air Purifiers for Home Room up to 1076ft², True HEPA Filter, B-D02L \| Quiet Sleep Mode, Night Light, Timer Settings, Aromatherapy, 3-Layer Air Filter for Smoke Odor Dust Pollen Pet Dander,White](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)

## Add-ons

- [BLUEAIR Air Purifiers for Home Bedroom Dorm up to 1,138 Ft², Blue 511i Max \| WiFi, Auto Mode, Compact, Quiet 19dB HEPASilent](https://best-deals.pro/visit/blueair-blue-pure-511i-max-air-purifier)
- [511 A11ergenBlock Replacement Filter For Blueair Blue Pure 511 Air Purifier \| 2-in-1 511 HEPA Filter with Activated Carbon fo](https://best-deals.pro/visit/blueair-blue-pure-511-air-purifier)

## Images

![BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter — 1](https://best-deals.pro/i/B0FShUDdrgytyp0xfTvjmqL0DL5Y_5HbCZlGnf7eYmPC1gTHcd1osWv5PHetsI-PpopqJWNrWzmi9FtmWGtVXW7eDPjUMZT0Z5mAkJ2RGWLW5rh_lYLly04O.jpg)

![BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter — 2](https://best-deals.pro/i/gjwl9c9UlIYfrmAopW7o7Sce2xLMl4XylggNHUDcfBXjLemAdeTSAw2ce3WgULpqdgiC5_Nmf0r52DRaLP7lS-A6UZttjmLTdNOSGCI0uPowYR49W7zEYgeY.jpg)

![BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter — 3](https://best-deals.pro/i/zm91_7fQ42BdYMq5WBZY20dZEu2Ssbu65eYCVVGdrDupAH-h_Ei7jZ1lgIlWTSVmVIuUsumY82jcbwJFdRaq4JLV1m8viOOujaJhXmk7Jd7IS_foMecEKEpr.jpg)

![BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter — 4](https://best-deals.pro/i/ps_fnvpk6nmJ3yjNewPhgRRaFL8Rvny79gf--n0BvygLz0O5c0ebxs3vwVlKptAHZsa4G8GlbwomZlEJNFc5b19LhPzugyanyxtaDz22tAeeqblEGG6Ww9CZ.jpg)

![BLUEAIR Blue Pure 511 Air Purifier, Particle + Carbon Filter — 5](https://best-deals.pro/i/62-zHsrYVA67UABnWKWyl3cYa4eR4UaPfxfQPx4zB04SEwjRAVVFAE8hwD-m_uDAPO69RMad96c26WFqcAdfPyGAU6iuoKyhgVidKXslETt6e9Hd18mFdS5z.jpg)