SKYSONIC 2 Pack Blue Pure 411 SmokeBlock Filter with Blue Pure 411, 411+, 411 Auto Air Purifier, Activated Carbon Filters

【】411 Series SmokeBlock Filter is ONLY with Blue Pure 411, 411+, 411 Auto air purifier NOTE: Not with Blueair Blue Pure 411i / 411a and other models 【SmokeBlock Design】 SmokeBlock Filter increases the activated carbon content to 20 times, and can absorb 99.99% smoke and odor. In addition to efficient , it can save to 20% automatic delivery filters and extend machine life 【 Air Filter】Our 411 Series filter is made of air filter and -efficiency activated carbon filter for good clean and 【OPTIMAL MAINTENANCE】For the continuous of your Blue Pure 411 Series Air Purifier, depending actual usage the filter ought replaced within 9 months