Ships from Hong Kong. Dishwasher safe. The filtters are both simple to hand wash and dishwasher-safe. It provides clear functional, rigorous design, technical perfection, performance and quality. Allows users to use their own gourmet ground coffee. It is environmental and reliable. It can be used in both coffee cup and coffee pot.The width of filter bottom is 4.3''. Dishwasher Safe. Absorbent special fibers for quality. Fits most other conical filter coffeemakers. Reliable product durability and workmanship. Superior coffee flavor through fine mesh.