Coffee Filter Basket: Made of high quality stainless steel, anti-rust and anti-corrosion. Great alternative to disposable paper filters. Ultrafine Filter Mesh: Pressurized filter basket effective filtration espresso powder, get smooth and intense espresso or coffee taste. Replacement Portafilter Basket: Bottomless portafilter filter bowl suitable for semi-automatic coffee machine series 51mm universal. Reusable Coffee Filter: Espresso filter basket is one of the essential tools for every coffee lover and self making coffee. Wide Application: One cup coffee filter is suitable for household, milk tea shop, bar, coffee shop, etc. Size: 51mm universal Color: Silver Package includes: 1pc* coffee machine powder bowl