[The Advantages of a Bottomless Portafilter] The bottomless design allows you to clearly observe the entire extraction process, helping to spot and correct issues with grind, distribution, or tamping. It's a must-have for those looking to improve their espresso quality. [Included Puck Screen for Even Extraction] The Puck Screen promotes even water distribution across the coffee grounds, reducing channeling and ensuring consistent extraction. It also helps maintain the cleanliness of your machine's brewing head. from Food-Grade Stainless Steel: Constructed with high-quality food-grade stainless steel, this portafilter guarantees safety and durability, ensuring that your espresso remains pure and taste-free from contaminants. [Stainless Steel Double-Shot Filter Basket] Made from durable 304 food-grade stainless steel, the included double-shot filter basket ensures a pure, untainted espresso extraction while preserving the rich flavor of your coffee.ess Design for Improved Extraction Quality: The bottomless design of this portafilter allows for better observation of the coffee extraction process, enhancing the quality and consistency of your espresso. [Ergonomic Polymer Handle for Comfort] The lightweight ergonomic polymer handle offers a comfortable grip, minimizing hand fatigue during extended use. It's ideal for both home baristas and professionals. Disassemble and Clean: Designed for convenience, this portafilter is easy to take apart for thorough cleaning, ensuring no coffee residue is left behind and maintaining the integrity of every brew. Colour:Wood & Silver Material:wood+stainless steel Package Contents: 1 * 51mm portafilter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.