To minimize unequal water amount, it is advisable to stir the coffee powder with a glass rod when flushing. This product has two different styles, each has a different size. This coffee filter add sweetness and make coffee enjoyable at the same time with gentle extraction for medium- to dark-roasted coffee. During water injection, the water falls on the coffee powder sequentially like a shower head, allowing the water injection intensity and quantity to be controlled reliably. It can be used for home and dining room.