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Drip Coffee Machines Drip coffee machines are well-known for their convenience and ability to brew multiple cups at once. Gravity and hot water are utilized to slowly extract flavor from the ground beans. They are usually served with glass or thermal carafes. The top drip coffee machines include the following features: A showerhead that evenly disperses the water across the grounds to ensure consistent extraction, and a temperature of water that is ideal for flavor extraction (198 to 20