Backflow Resistance: Unique designed with overflow-proof and backflow resistance, prevent milk from wasting, easy for change and assemble. Premium Material: The breast pump diaphragm is made by grade silicone, skin-friendly and excellent seal with perfect suction BPA free and safety material for baby bite.
Silicone diaphragms are ideal for electric breast pump backflow closed systems and pumps, ensuring the proper performance and effectiveness of this medical device.