@RayJLeBlanc @JimRosenthal4 Yes I've thought about that too, like loosely woven cloth or a cheap foam "air conditioner filter". I just wonder if anyone has tested this.
@RayJLeBlanc@JimRosenthal4是的，我也考虑过这个问题，比如宽松的织物或廉价的泡沫“空调过滤器”。我只是想知道是否有人测试过这个。
@RayJLeBlanc @JimRosenthal4 Yes I've thought about that too, like loosely woven cloth or a cheap foam "air conditioner filter". I just wonder if anyone has tested this.
@RayJLeBlanc@JimRosenthal4是的，我也考虑过这个问题，比如宽松的织物或廉价的泡沫“空调过滤器”。我只是想知道是否有人测试过这个。