Amway’s reputation should soon take a nosedive in China, as they are selling air purifiers for two months pay to the Chinese, and I wouldn’t doubt the filters need to be replaced much more often than the usual recommended time frame, given the filthy air, which is pristine compared to the ATS: http://www.guardian.co.uk/world/2013/feb/16/chinese-struggle-through-airpocalypse-smog Oh well, at least China doesn’t have the ATS! LOL