The ‘Ext Set w/Flow Controller 19″ 50/Ca – B98018’ is a product from ICU Medical. This extension set is designed with a flow controller and measures 19 inches in length. The set is ideal for various medical procedures that require the control of fluid flow. It comes in a case of 50, making it suitable for use in busy healthcare settings. The product is designed for durability and reliability, ensuring efficient performance in different medical applications.