Compatible design for Eureka MMG, F4E, and Ek3 grinders; provides an exact fit with cleaning efficiency. This accessory helps maintain your grinder's performance by thoroughly removing residual coffee grounds. Robust silicone material: Made from quality resilient silicone; designed to withstand regular use while resisting wear and tear. The longlasting construction offers a reliable cleaning solution that will serve you for years to come. Simple press mechanism: The intuitive presstype design allows quick and effortless removal of leftover coffee grounds. Simply squeeze the blower to create a targeted air stream that effectively clears residual grounds, streamlining your daily cleaning routine. Enhanced coffee flavor: By thoroughly removing old coffee grounds, this blower helps maintain the purity of each brew. Regular cleaning with this tool prevents crossflavor between different coffee varieties, ensuring each cup tastes exactly as intended. Use scenarios: After grinding multiple bean varieties, use the blower to clear grounds from the burrs and chute to prevent flavor transfer. Between batches or different coffees to avoid crossflavor and keep each roast tasting true. As part of daily maintenance to perform a quick clean before storing or turning off the grinder.