SKYSONIC 2 Pack Blue Pure 411 AllergenBlock Filter with Blue Pure 411, 411+, 411 Auto Air Purifier, H13 HEPA Activated Carbon Filters

【411 Series AllergenBlock Filter is with Blue Pure 411, 411+, 411 Auto air purifier NOTE: Not with Blueair Blue Pure 411i / 411a and other models ALLERGENBLOCK DESIGN Effectively traps more than 90% of AllergenBlock particles. In addition to efficient , it can also save to 10% 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