The 54mm Bottomless Portafilter with 53.5mm Puck Screen by Stochastic is designed specifically for Breville Barista Redwood models, like the Breville BES870XL. Crafted from durable stainless steel in a stylish brown color, this portafilter is easy to clean and maintain. Perfect for coffee enthusiasts looking to customize their brewing experience, this bottomless portafilter allows for a smooth puck extraction and enhances the overall taste of your espresso. Upgrade your coffee setup with this quality product from Stochastic.