Features
===Inner Improvement===
We increase the thinner fiber filling materials layer by layer with small resistance, compact and durable. It never occurs fiber velvets’ dropping.

===Usage===
It mainly used to clear the air dust for more than 0.5μm and can be made into shutter style, platform style and pocket filter. It applies to electric, pharmaceutical, automobile, food processing, nuclear power, chemical, and dust removal and ventilation system of central air conditioner. It also widely used to front secondary filter of high efficiency filtration system.

===Headlining Cotton Feature===
The leeward covers by polyester mesh, leading air flow distributing evenly. It experiences stereoscopic gumming to enhance the ability to catch the impalpable dust particle. It applies in the automobile spraying and baking plant as well as assembly shop, which owns an ideal for the final filtration in the surface dealing industry.