1Premium Material: The coffee bottomless portafilter is made of premium plastic and aluminum alloy material, having excellent durability and heat conduction properties. 2Convenient and Practical: The coffee portafilter has a bottomless design, allowing the coffee to flow out more easily during the extraction process, and the coffee wetting condition can be observed during the extraction process, helping baristas better control the steeping time and water flow of the coffee, resulting in better coffee taste. 3Accurate Extraction: The aluminum alloy coffee bottomless portafilter is suitable for the filter basket of most home coffee makers to ensure even coffee extraction, providing a steady pressure and even water flow, making the coffee taste more mellow and balanced. 4Ergonomic Design: The coffee machine portafilter feels comfortable and easy to use. Its ergonomic design allows the operator to easily control the handle for accurate coffee extraction. 5Customizable Design: The attached filter design allows users to achieve different extraction effects according to their personal tastes. Whether you prefer creamy latte, or velvety cappuccino, this portafilter will help you achieve the perfect taste and texture.