... , pharmacy, micro-electronics, film, and packinghouse which require high grade of clean environment.ConstructionsReplaceable structure: The casing can be fixed on ... . Low height and low weight: the casing is made of anodized aluminum, Galvalume, EG Steel with powder coating; standard ... suit to the international HEPA filters sizes.Meet the requirement of fire brigade. The casing is insulated with 10mm PE ...