Material: Aluminum Expanded Metal Mesh,Aluminum Sheet,Stainless Steel Sheet,Activated Carbon Filter,Plastic Frame,etc. Specification: according to the customer's drawing and requirement. Characteristic: Beautiful and practical,the thickness can be changed;good aeration and reducing the damage degree of the blower. Purpose: They used as aluminum grease filter series,chinese style grease filter series,baffle grease filter series and activated carbon filter series for the range hoods and ventilation hoods. in carton