ฝาครอบตัวกรองประกอบด้วยพลาสติกรีไซเคิล 2 Lbs . of activated carbon and alumina, which should really enable it to be significantly much better at capturing VOCs. But it’s expensive, the filters last only 6 months, and replacements Value about $200. The filter on the bottom has actually been run 24/seven to get a yr—that’s Successfully Submitted (Awaiting Approval)