BLUEAIR Blue Pure 311 Auto SmokeBlock Genuine Replacement Filter, Extra Carbon Captures 99.99% of Wildfire Smoke, fits Air Purifier

ULTIMATE TOOL AGAINST WILDFIRE SEASON: Additional activated carbon removes 99.99% of wildfire smoke along with extra protection against other wildfire emissions such as toxic gasses, smog and odors COMPATIBLE WITH BLUE PURE 311 AUTO: Blueair 311 Auto SmokeBlock ************************************************************* Filter compatible with Blue Pure 311 Auto Air Purifier FILTERS BUILT TO LAST: Using a 360-degree air intake and up to 4x the filter surface area the Genuine Blue Pure 311 Auto SmokeBlock Filter lasts on average 6 months; optimizing air flow and performance over time REMOVES EVEN TINIEST AIRBORNE PARTICLES DOWN TO 0.1 MICRON: Particle filter removes airborne particles such as pollen, pet dander, bacteria, mold, viruses, and dust from your indoor environment TRAPS HOUSEHOLD ODORS: In addition to wildfire emissions, active carbon mesh also traps household odors, smoke, chemicals, and volatile organic compounds (VOC).