Features: Ensures suction, comfort with the Duckbill Valves & Silicone Diaphragm, exclusively designed as replacement accessories for V1/V2 Breast Pump. Craft from food grade silicone, these high quality component are easy to clean and maintain, ensuring your breast pump operates smoothly and efficiently. For nursing mother using pump, these replacement part provide a reliable solution to up with daily breastfeeding demands. Perfect for use at home, in office, or while traveling, offering convenience and peace that your babys nutritional needs are meet wherever you are. Enhances your breastfeeding experience with these essential accessories, designed to support journey with comfort and reliability, making them a must have for any user. Specifications: Component: Silicone Diaphragm Diameter: About. 6.2cm/2.44in Pattern: 4 pattern optional Package Includes: Package A: 2pcs Duckbill Valves, 2pcs Diaphragm Package B: 2pcs Diaphragm Package C: 6pcs Duckbill Valves, 2pcs Diaphragm Package D: 4pcs Duckbill Valves note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.