Key benefits Ceramic brewer maintains a stable water temperature during brewing, helping the overall extraction to be more complete and resulting in better flavor. Designed for manual drip filtration, making it a practical tool for coffee lovers to enjoy good coffee at home. Inner wall grooves create a defined gap between the filter paper and the filter cup, promoting smoother water flow and more uniform extraction. Scalloped filter bowl allows a higher coffee bed and thorough steeping for smoother, richer coffee. Ideal for medium and fine grounds; the 3hole design improves water flow and keeps it steady, suitable for medium and dark roasts. Size and compatibility Sector size: Large 10.5 x 10 x 8 mm (4.1 x 3.9 x 3.1 in); Small 9 x 9 x 6.2 mm (3.5 x 3.5 x 2.4 in) Cone size: Large 11.5 x 10 x 8.5 mm (4.5 x 3.9 x 3.3 in); Small 9.8 x 10 x 7.6 mm (3.9 x 3.9 x 3 in) Fits most coffee mugs Color options: White or Black Material Made of ceramic material, which helps maintain stable water temperature during brewing and supports a reliable extraction process. Design features Groove on the inner wall creates a gap between the filter paper and the filter cup, aiding smoother water flow and more uniform extraction. Scalloped filter bowl accommodates a higher bed of coffee for thorough steeping, delivering smoother and bettertasting coffee. Performance notes Effective for filtering medium and fine ground coffee. The 3hole design enhances water flow rate and maintains a stable flow, making it suitable for medium and deep roasted coffee. Use scenarios At home: use with your preferred filter setup for a clean, balanced pourover coffee. In the office or kitchen: a convenient way to brew a reliable manual drip without bulky equipment. For flavor varieties: optimized for medium to fine grounds, especially when brewing medium to dark roasts for a richer cup.