It looks great and it feels great. The Hario Buono Kettle is one of the most popular pour over brewing kettles around and for good reason. The Hario Buono has a capacity of 600ml and is more affordable than most pouring kettles available. The Hario Buono kettle is specifically designed to brew coffee in drip style. It has a very slim goose neck spout for better flow-rate. The soft grip handle and precise spout enables you to have complete control during the pour-over. The Hario kettle plays an important role in the brewing process.