Compatibility: The connector is compatible with the Swing and Harmony breast pumps, specifically designed for the older editions of these models. Replacement Part: It serves as a replacement component for the original connector in case of damage, wear and tear, or loss. Two-Component Design: The connector consists of two parts, allowing for easy assembly and disassembly during cleaning and maintenance. Purpose: This connector is a crucial part of the breast pump system, connecting the breast shield to the tubing and allowing for the efficient extraction and collection of breast milk during pumping sessions. Genuine Medela Product: It is important to note that this connector is an authentic Medela replacement part, ensuring compatibility and performance with your Medela breast pump. Overall, the Medela Two-Component Connector for Swing or Harmony Breast Pump (Old Edition) provides a convenient solution for replacing a worn or damaged component of your breast pump, ensuring continued functionality and efficient breast milk expression.