Durable silicone construction with rust resistance Made from silicone, the Hopper Bellow is built for long term use. It resists rust, delivering reliable durability and dependable performance over time. Precise temperature control for better coffee Easily control the temperature of your coffee maker with the Hopper Bellow. This enables brewing conditions and helps you consistently enjoy a tasting cup. Enhanced milk foam for richer drinks By reducing steam moisture, the Hopper Bellow produces softer, more stable milk foam. This results in creamier, frothier espressobased beverages and a better overall coffee experience. Key benefits Durable silicone construction with rust resistance for long term reliability Precise temperature control to optimize brewing conditions Reduced steam moisture yields softer, richer milk foam Use scenarios Home daily coffee: Maintain ideal brew temperature and achieve caféquality milk foam for everyday lattes and cappuccinos. Latte art and specialty drinks: Softer foam supports smoother microfoam and better latte art results. Office or shared kitchen: Reliable, durable performance that remains effective with regular use in a communal kitchen setup.