【PERFECT FIT】This Blue Pure 411i Max & 411a Max replacement filter is fully compatible with Blue Pure 411i Max/411a Max Air Puri-fier
【NOTE】Not compatible with Blueair 411, 411+, 411 Auto Air Puri-fiers, please check the model number before placing your order
【AllergenBlock Design】Effectively traps more than 90% of AllergenBlock particles. In addition to efficient performance, it can also save up to 10% of automatic delivery filters and extend machine life
【OPTIMAL PERFORMANCE MAINTENANCE】For the ongoing top performance of your Blue Pure 411i Max & 411a Max Air Puri-fier, based on actual usage the filter should be replaced within 9 months
【SUPERIOR QUALITY】411i Max & 411a Max replacement filter is made of high-quality non-woven activated carbon and can adsorb 99.99% of air particles (with a diameter as small as 0.03 micrometers)
model number: 411i Max & 411a Max AllergenBlock Filter
