Phanpy Airbag&Duckbill Valve for Phanpy S4 Cups, Original Replacement Accessory, 1 Piece Pack

["【Adaptation】The Replacement Accessory is original and compatible with Phanpy S4 Cups, 1 Piece Pack","【Material Safety】Made of 100% food grade silicone, BPA Free is skin friendly, completely safe for breastmilk, moms can use it with total peace of mind","【Function】Keep the breast pump sealed and maintain suction. The Duckbill Valve guides breastmilk smoothly into the cup, while the airbag prevents breastmilk from entering the main unit and protects it","【Easy to clean】After each use, simply wash the part with warm soapy water and rinse thoroughly. Alternatively, you can sterilize and clean it using steam, boiling water, or a microwave-safe steam bag","【Tip】 It is recommended to replace the part approximately every 2 to 3 months, depending on the frequency of use and suction strength."]