Frieling Gold Coffee Filter #2 Cone Better
High quality 18/10 stainless steel foil coated with gold tone. The foil is designed with minuscule openings to allow the flavor carriers (colloids) to pass while holding back all solids. Easy to clean$$ no residue build-up and no waste.
Source: http://www.roaste.com/product/Frieling/Frieling-Gold-Coffee-Filter-2-Cone-Better