@cseesit @joeyfox85 You want something blowing filtered air directly on your face (some ideas elsewhere in the thread). Trying to filter your small part of a large room may help to an extent, but much less so.
@cseesit@Joey Fox85你想要什么东西把过滤过的空气直接吹到你的脸上（在帖子的其他地方有一些想法）。尝试过滤大房间中的一小部分可能会有所帮助，但效果要差得多。