@ewrigleyfield @FinchTH This DIY design using Lennox X7935 for the filter has carbon in the filter. How effective it actually is for gasses/odors, I don't know. It's been tested and is very effective for particles.
https://twitter.com/Read4Ks/st...
@ewrigleyfield @FinchTH 这个 DIY 设计使用 Lennox X7935 作为过滤器，过滤器中有碳。我不知道它对气体/气味的实际效果如何。它已经过测试，对颗粒非常有效。
https://twitter.com/Read4Ks/st...