Model: F3MAXPLUS
from $49.99
This is a genuine Blueair Blue Pure 311i+ Max Replacement Filter, designed to maintain optimal performance of your Blue Pure 311i+ Max air purifier. It is a particle and carbon filter, arriving in a white finish and weighing 2 lbs with package dimensions of 14 x 4 x 18 inches. For continued clean air in your home or office, it is recommended to replace this filter every 6 to 9 months.
True HEPA (H13) captures 99.97% of particles 0. Available from $49.99.
True HEPA (H13) captures 99.97% of particles 0.3 microns+. Always buy OEM or independently certified filters — counterfeit HEPA is a well-documented market problem. Activated carbon removes odors and VOCs independently of HEPA filtration.
The Blueair Blue Pure 311i+ Max Replacement Filter is available at abt, starting at $49.99.
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