Key features [EXTENSIVE MODEL COMPATIBILITY] 3 Ears naked portafilter designed to be compatible with Breville 8 Series espresso machines. Compatible models include BES870, BES876, BES878, BES880, BES881, BES450, BES500, BES840, and BES810. Please verify your specific machine model matches this list before ordering [REAL-TIME EXTRACTION DIAGNOSIS] The 54mm bottomless naked design portafilter allows direct observation of the flow column, flow rate, and color during brewing. This visibility helps identify issues like channeling or uneven distribution, enabling adjustments to grind size and tamping for smoother espresso shots [RED ROSEWOOD & STAINLESS STEEL] Constructed with a food-grade 304 stainless steel head and a handle made with red rosewood. Due to the natural material, the wood grain and texture may vary per unit. The handle is ergonomically designed for a comfortable grip during daily use [INCLUDED BASKET REMOVAL TOOL & PUCK SCREEN] Comes with a basket removal tool and a 53mm puck screen. The puck screen improves water distribution across the coffee bed and prevents grounds from adhering to the brewing head, keeping the group portafilter head cleaner. The basket removal tool help you pry open the filter basket [PRECISION FIT & MAINTENANCE] Features a specific 5.5mm ear (wing) thickness designed to fit securely without damaging the brewing head, particularly for the BES500 model. To extend product life, wash by hand only; do not use in a dishwasher Free shipping included. 30-day hassle-free returns.