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

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

BLUEAIR Blue Pure 411 Series SmokeBlock Genuine Replacement Filter, Extra Carbon Captures 99.99% of Wildfire Smoke, fits Blue Pure 411 Auto, 411 and 411+ Air Purifiers, White

BLUEAIR Blue Pure 211+ Series SmokeBlock Genuine Replacement Filter, Extra Carbon Captures 99.99% of Wildfire Smoke, fits Blue Pure 211+ Auto, 211+ Air Purifiers