Blueair's Blue Pure 311 Auto air purifier takes a simple approach to air quality with an integrated sensor, Auto mode setting, and LED air quality display. Ideal for large spaces, it removes 99.97% of airborne particles.
Air purifier with an integrated sensor
3-step filter works with Blueair’s HEPASilent™ filtration technology to deliver more clean air with less energy and noise, removing 99.97% of airborne particles down to 0.1 microns, like pollen, dust, pet dander, viruses and more
Delivers high performance with one-button control and customizable pre-filter colors in a lightweight, compact package
Independently AHAM Verifide® for a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, 250 for pollen particles, and 244 for dust particles
Completely filters room air about every 12 minutes (5X an hour at 550 ft) on high setting
One-touch enabled Auto mode setting automatically adjusts to real-time conditions reported by the integrated particle sensor while the LED air quality display updates with one of three colors indicate air quality
Cleans the air with noise levels equivalent to a whisper on low (23-53 dB)