Usage Tips: Features: High quality. Coffee grinder single dose hopper is designed for multiple grinder models. Grinder blowing bean bin helps clean and collect excess coffee grounds. Add a single dose to your coffee grinder by pressing the bellow, simultaneously cleaning residual powder inside the grinder to maintain interior cleanliness. The single dose hopper is made of high-quality silicone material with a uniquely designed lid for comfortable, tactile hand pressure. The grinder blowing bean bin is suitable for various settings, including kitchens, homes, restaurants, and coffee shops. Specifications: Product Name: Coffee Grinder Blow Hopper Compatible With: MAZZER / RF64 / 900N / HC600 / 600AE Material: Silicone Color: Black Package Contents: 1 x Coffee Grinder Cleaner Note: Light reflection and different display screens may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.