Mbetter 2 Pack Blue Pure 311 Auto SmokeBlock Filter Compatible with Blue Pure 311 Auto Air Puri-fier, Activated Carbon Filters

["【PERFECT FIT】Compatible with Blueair Blue Pure 311 Auto air purifier. Attention: Not include with 311 (Non-auto)","【NOTE】Not compatible with Blue Pure 311, 311i Max, 311i+ Max, 211, 211+ Auto, 211i Max, 411, 411 Auto, 411i Max, 511, 511i Max, Mini Max air puri-fier","【SmokeBlock Design】Mini Max SmokeBlock Filter increases the activated carbon content to 20 times, and can absorb 99.99% smoke and odor. In addition to efficient performance, it can save up to 20% on automatic delivery filters and extend machine life","【True Air Filter】Our 311 Auto SmokeBlock replacement filter made of air filter and a high-efficiency activated carbon filter for good clean filtration and performance","【SUPERIOR QUALITY】311 Auto 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)","【LIFETIME SERVICE】If you have any problems with the filter fitting your air purifier, please contact us through our Amazon home page, we will reply in 24 hours"]