The Momcozy Double Layer Flange is a 24mm replacement part specifically designed for the S12 Pro Wearable Pump. This transparent flange features a dual-layer construction that ensures optimal suction and comfort during pumping sessions. Key features: • 24mm diameter size • Double layer design for enhanced suction • Compatible with S12 Pro Wearable Pump • Made of transparent food-grade material • Easy to clean and maintain • Secure fit and leak-proof seal The flange's transparent design allows for easy visual monitoring during pumping sessions. The double layer construction helps maintain consistent suction while preventing leakage. Regular cleaning and replacement of the flange is recommended to maintain optimal pump performance and hygiene. The 24mm size is designed to provide comfortable fit for mothers requiring this specific diameter.