2 Pack 311i+ Max/311i plus max Filter Replacement Compatible with Blue Pure 311i Max Air Purifier, F3MAX Purifier Parts, 2 in 1 H13 Ture HEPA and Activated Carbon Filter (Not 311i Max)

【FULLY COMPATIBLE】Blue Pure 311i plus Max Air Purifier replacement filter(Not Applicable 311i+ Max & 311 Auto),Each batch of filters undergoes sampling to complete rigorous factory testing to ensure that their air purification effect is the same as that of the original parts,with BLUEAIR Blue Pure 311i+ Max Air Purifier(NOT OEM PART)
【H13 GRADE HIGH EFFICIENCY FLITRATION】Made from H13 grade filter paper, the Ture HEPA is more than 99.95% efficient in filtering 0.3 micron particles, including household dust, pet dander, mould spores and plant pollen, at a wind speed of 5.33cm per second
【ACTIVATED CARBON ADSORPTION LAYER】Physically adsorbing pet and household odours from the air, so that you can always breathe fresh and clean air