☕ Elevate Your Brew Game! 28.5mm for a unique brewing experience. Enhances flavor and aroma with every brew. Designed for bottomless portafilters only. Crafted for the perfect espresso extraction. Durable and easy to clean. Dimensions: 7.37 x 3.3 x 7.37 cm No batteries required Weight: 41 g The IMS Competition E-61 Precision Filter Ridgeless Basket is a high-quality, ridgeless basket designed specifically for bottomless portafilters, ensuring optimal espresso extraction. With precise dimensions and a lightweight design, this basket is perfect for coffee enthusiasts looking to enhance their brewing experience.