ฝาครอบตัวกรองประกอบด้วยพลาสติกรีไซเคิล 2 Lbs of activated carbon and alumina, which ought to help it become much greater at capturing VOCs. Nonetheless it’s expensive, the filters previous only 6 months, and replacements Price about $two hundred. That third product ran at our Business office for over two several years straight whilst it waiting for link from Social Network Posts (23)