Stainless steel materials ensures frees brewing without harmful coatings Stainless steel construction resists deformation and damage, outperforming / paper Easy to clean, ideal for sustainabilities focused coffee lovers Precisions engineered 61mm diameter fits most models seamlessly Rinse quickly under water for instantly reuse Saves time for busy professional and homemakers The 61mm metal filter ensures coffee flavor with every brew, eliminating paper filter odors Make of stainless steel for professional grades coffee at home or offices