Polystyrene (PS) sample cups are designed for Hitachi analyzers The sample cups are made to exact specifications and provide excellent optical properties. These Hitachi cups are ideal for use in a variety of laboratory applications. They are made from high-quality materials and are designed to be durable and long-lasting. The cups have a compact size of 17mm x 38mm by 2ml and come in a pack of 500 pieces, making them a great value for high-volume users.