Product Material - Made of stainless steel, anti-rust and anti-corrosion, great alternative to disposable paper filters, no need to change expensive paper filters any more, saving much money for youDouble Mesh Design - Ultrafine strainer, to make sure the delicate taste of coffee, the dual coffee dripper brewing design prevents any coffee grounds from passing, no grounds end up in your cupEasy to Use - Simply heat the pour over coffee dripper with hot water and rinse out, add coffee grounds, slowly pour in the hot water, let the coffee maker drip out the water through the fine pour over filter and remove the coffee dripper when done, ready to enjoy your drink, brew any type coffee as you like without any error or modificationEasy to Clean - Dishwasher safe, or clean under running water, clean thoroughly every 3-4 weeks to descale the pour over filter by vinegar(lemon juice) and warm water or leave the cone coffee filter in the oven for 4~5 minutesWide Application - Replacement portafilter basket filter is suitable for household, milk tea shop, bar, coffee shop, the perfect product improves the ease of use of the product and is dedicated to providing a superior hand-brewed coffee drinking experience