@_mbdr_ @steelha1 If there are air vents you can attach a filter to them. Not hepa (very likely too much resistance) but still better than nothing.
@_mbdr_ @steelha1 如果有通风口，您可以在其上安装过滤器。不是肝细胞（很可能是阻力太大），但总比没有好。
@_mbdr_ @steelha1 If there are air vents you can attach a filter to them. Not hepa (very likely too much resistance) but still better than nothing.
@_mbdr_ @steelha1 如果有通风口，您可以在其上安装过滤器。不是肝细胞（很可能是阻力太大），但总比没有好。