Ceiling cotton roll filter media About the product According to the dust size, provide different density level to make the accommodates dust more effectively. With a Barbed Wire on the surface to strengthen it ,can make the filtering material keep high filtering efficiency and enlarge dust holding capacity; even more ,it can extend the working life, it also saves the systems operation cost. Conform to European and American classfications for nonflammabilith. Application: The air filtration for the painting factory ,the spray workshop, baking varnish room and so on Automotive factory ,the automobile repair shop ,the motorcycle factory, the bicycle factory, the operating system of the household appliances painting Main products: For spraybooths: ceiling filter, prefilter, and exhaust filter For cleanroom and HVAC system: Activated carbon filter, HEPA filter, pocket filter, panel filter, combined filter, Our certificates: ISO 9001 and ISO14001