BLUEAIRS TOP-PERFORMING AIR PURIFIER LINE: Blue familys new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise* | LETS CLEAR THE AIR QUIETER: Quiet Mark certified (18-46dB); Cleans up to 526sqft living space in 30min or 219sqft in about 12.5min on high | LETS CLEAR THE AIR FASTER: HEPASilent dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone** | LETS 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*** | LETS 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 | BLUEAIR REPLACEMENT FILTER: Blue Pure 411a Max Genuine Replacement Filter; Blue Pure F4MAX; B08KPJQBQT fits Blue Pure 411a Max Air Purifier and is designed for optimal performance | INDEPENDENTLY TESTED FOR PERFORMANCE &...

Blue Pure 411a Max HEPASilent air purifier quickly cleans up to 526sqft living space in 30min or 219sqft 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 141 for fine smoke particles, dust and pollen. 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. Shop genuine Blueair Blue Pure F4MAX replacement filter designed for optimal performance: Blue Pure 411a Max air purifier replacement filter B08KPJQBQT. *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...