Hario 02 40 Count Boxed Coffee White Paper Filters Color: White Size: Size 02 Style Name: 40 count X 10 Boxes Capacity: 1-4 cups About Us Since 1921 The company has been dedicated to the design, production, and sale We began our history as a manufacturer of laboratory glassware. In 1964, we expanded our production to household items, starting with the coffee syphon. of heatproof glass since it was founded in 1921 and is the only heatproof glass manufacturer in Japan to have a factory. We also began producing lenses for automotive headlights in 1980. Today, We continue to make a variety of items, from microwave-safe kitchenware and coffee and tea implements, to aromatherapy and pet products.