Blue Pure 311i Max HEPASilent™ smart air purifier quickly cleans up to 929sqft living space in 30min or 387sqft medium room in about 12.5min on high. Independently evaluated for safety standards and third-party tested for performance as part of the AHAM Verifide® Program for air cleaners, this air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen.
Get more out of the filter thanks to our proprietary RealTrack algorithm where fan speed, usage time and pollution levels are used to calculate exactly how dirty the filter is based on actual usage and tells you more accurately when to replace it within 9 months. Shop genuine Blueair Blue Pure F3MAX replacement filters designed for optimal performance: Blue Pure 311i Max air purifier replacement filter B08KPDS2CY.
Blueair is the only line of air purifiers with a customizable, washable fabric pre-filter. Inspired by the latest Scandinavian design trend, Blue Pure Max air purifiers arrive in the Stockholm Fog pre-filter, while Limestone, Moss and Sand pre-filters are sold separately.
*Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. Noise refers to the dB(A) difference in acoustic power. **When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.
***Tested PM 2.5 (0.1 – 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.
BLUEAIR’S TOP-PERFORMING AIR PURIFIER LINE: Blue family’s new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise*
LET’S CLEAR THE AIR QUIETER: Quiet Mark certified (23-50dB); Cleans up to 929sqft living space in 30min or 387sqft medium room in about 12.5min on high
LET’S CLEAR THE AIR FASTER: HEPASilent dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone**
LET’S CLEAR THE AIR BETTER: Removes at least 99.97% of tiny airborne particles like viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mold allergen and dust; carbon filter traps light household odors from smoking, pets and cooking***
LET’S CLEAR THE AIR SMARTER: Blueair smart air purifier app scheduling, air quality monitoring, Clean Air ETA, Welcome Home geofencing and RealTrack accurate 6–9 month filter tracking technology are customizable features; Alexa voice control available
LET’S CLEAR THE AIR EASIER: Intuitive display, 5-color AQI and simple two-button design make it easy to control fan speed 1 – 3 including night mode, auto, brightness and child lock
LET’S CLEAR THE AIR WITH LESS ENERGY: Energy Star Most Efficient 2023; Blueair air purifiers use less energy (32W on high) than an incandescent (60W) lightbulb
INDEPENDENTLY TESTED FOR PERFORMANCE & SAFETY, ZERO OZONE: AHAM Verifide for Performance (CADR); Quiet Mark Certified; Ozone Safety Standards Certified by CARB; Zero Ozone Verified (
BLUEAIR REPLACEMENT FILTER: Blue Pure 311i Max Genuine Replacement Filter; Blue Pure F3MAX; B08KPDS2CY fits Blue Pure 311i+ Max Air Purifier and is designed for optimal performance
