Two Full Milk Collector Cup Sets with 21mm Flange Compatible with Momcozy S12 Pro/S9 Pro Breast Pump, NOT for S9/S12, Replacement Pump Parts with Duckbill Valve, Flange, Diaphragm, Linker, Collector

【Widely Compatible】：2pcs Flange 27mm compatible with Momcozy S12 pro /S9 pro, TSRETE S12/Kmaier S12 Wearable Breast Pumps, flange replacement accessories.
【Available in various sizes】: The size of your flange is important for comfort and efficient pumping,breast shields are available in five size options, including 17mm,19mm,21mm,24mm,27mm, allowing every breastfeeding mom to choose the most comfortable fit for themself body and avoid discomfort during pumping sessions.
【Working Efficiency Same As Original 】: flange increases the seal and grabs every drop of milk for a better breast pumping experience as the original ones did.Great replacement parts of flange bring same comfortable and ease experience as you use with the original one.
【Super Comfortable, Soft Silicone Material】: These flange replacement parts are made of BPA free, 100% quality silicone which create a more natural fit during pumping sessions and provides mom the maximum comfort breastfeeding experience.
【Easy cleaning】: Washing pump parts after each use with warm soapy water and rinse well.Can be sanitized with water steam, boiling water or microwave-steam bags. Replace every 4-12 weeks,after being used for a period of time, it will age and loose elasticity, affecting the suction.

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