Air Filter So called vileoon filter made by combining tetoron and nylon into filter form.  Usually used as an air conditioning intake filter.  Will be furnished in sizes 10 to 20 mm thick.

空气过滤棉也叫空气初效过滤器，是将tetoron和尼龙结合成过滤器的形式。通常用作空调进气过滤器。将提供10至20 mm厚的尺寸