Blueair Air Purifiers for Medium Rooms

The Blue Pure 311i Max HEPASilent™ smart air purifier is a high-performance appliance that efficiently cleans living spaces up to 929 square feet within 30 minutes or 387 square feet medium rooms in about 12.5 minutes on the high setting. This air purifier has been independently evaluated and third-party tested for safety standards and performance as part of the AHAM Verifide® Program for air cleaners, earning a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust, and pollen.

Blueair's proprietary RealTrack algorithm allows users to get more out of the filter by calculating the exact level of dirtiness based on actual usage, providing accurate filter replacement timing within 9 months. Genuine Blueair Blue Pure F3MAX replacement filters (B08KPDS2CY) are designed for optimal performance.

Blueair's Blue Pure line of air purifiers is the only one with customizable, washable fabric pre-filters, inspired by the latest Scandinavian design trends. The Stockholm Fog pre-filter comes pre-installed, while Limestone, Moss, and Sand pre-filters are sold separately.

Compared to the Blue 411 Auto model, the Blue Pure 411a Max and 411i Max offer up to 83% faster cleaning and 50% less noise on the high fan speed setting. This is achieved through Blueair's HEPASilent dual filtration technology, which delivers more clean air faster and uses less noise and energy than HEPA filtration alone.

The Blue Pure 311i Max air purifier is Quiet Mark certified, operating at 23-50 dB, and is Energy Star Most Efficient 2023, using only 32W on the high setting, less than a standard 60W incandescent light bulb.

In addition to its impressive performance, the Blue Pure 311i Max offers smart features such as app scheduling, air quality monitoring, Clean Air ETA, Welcome Home geofencing, and RealTrack accurate filter tracking. Alexa voice control is also available.

The intuitive display, 5-color AQI, and simple two-button design make the Blue Pure 311i Max easy to control, with adjustable fan speeds, night mode, auto mode, brightness, and child lock.

Independently tested, the Blue Pure 311i Max is certified to remove at least 99.97% of tiny airborne particles down to 0.1 microns, including viruses and smoke, as well as capturing pet dander, pollen, mold allergens, and household odors. It is also ozone-safe, verified by Intertek Sustainability to produce less than 5 ppb of ozone.

The Blue Pure 311i Max air purifier comes ready to use, with one filter pre-installed and a pre-filter for easy set-up. It is designed for North American use only, compatible with 110-120V input voltages.

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