... filter, also filter basket. Process: chemical etching. Any sheet or belt materials. 0.1--1mm thickness Etching filter, ... filter, filter basket, etc. Process: chemical etching.Specifications: ItemDescriptionMaterial sheet or belt in stainless steel, brass, steel, iron, nickel, ... coffee maker filter, coffee machine filter, etc.Etching metal sheet can be made according to customers’ demands. And it ...