1.Filter Media:Polyester with carbon media 2.Separator:Paperboard or Metal Fingers 3.Frame:Cardboard,Galvanised Steel,Aluminum Apply in air purifier machine, oil purifier machine, center air conditioner and to absorb odor, powder and harmful inorganic gases, such as formaldehyde and benzol etc.Applied to chemical, pharmaceutical, food, entertainment place, building and places where the clean air ...