Features: Deep Extraction: Our bottomless portafilter with ultra-fine filter basket is designed for deep extraction, ensuring that you get the most flavor out of your coffee beans. 54mm/58mm (optional) Filter Basket Included: With a 54mm/58mm (optional) stainless steel filter basket, the filter basket's fine-perforated design enables more consistent and effective filtering of coffee grounds, and it is suitable for use compatible with the 54mm/58mm (optional) Breville Series portafilter basket. Premium Stainless Steel Material: Made from high-quality stainless steel, our portafilter basket is durable and long-lasting. It is also resistant to rust and corrosion. Removable & Easy to Clean: The filter basket and bottomless portafilter are designed to be easily removable and easy to clean. Simply rinse it under running water or put it in the dishwasher for hassle-free cleaning. Compatible with Breville Machines: 54mm bottomless portafilter is compatible with Breville 450/820/840/870/875/878/879/880, etc coffee machines. This is an excellent present for a friend or family member who loves coffee, and it will enhance their daily coffee experience. Specification: Product material: Stainless steel Product length: 200mm / 7.87in Diameter of filter basket: 54mm / 2.12in, 58mm / 2.28in (Optional) Packing List: 1 x Portafilter 1 x Filter Basket 1 x Spoon 1 x Cleaning Brush