This kit contains original spare parts for double wearable breast pumps. It includes replacement duckbill valves, silicone diaphragms, and caliber conversion inserts. These components are essential for maintaining the optimal performance and hygiene of your breast pump. The kit is designed to ensure compatibility with specific wearable breast pump models (assumed to be a double pump configuration) and aims to extend the lifespan of the pump by allowing users to replace worn or damaged parts. Key components like the duckbill valve (responsible for creating suction) and diaphragm (important for pump action) are included. The caliber conversion insert enables use with different bottle sizes, providing increased flexibility. This set allows easy repair and modification.