Perfect Fit for Momcozy S9 Pro / S12 Pro / S9 / S12: 6 piece set includes 4 duckbill valves + 2 silicone diaphragms seamless compatibility with Momcozy S9 Pro, S12 Pro, S9, S12 wearable breast pumps. Restores original suction power and prevents leaks, also works with similar TSRETE models
BPA-Free Food-Grade Silicone Safe & Comfortable: Premium transparent food-grade silicone material: soft, durable, odorless, and completely BPA-free. No chemicals or smells ideal for safe, gentle pumping sessions every time
Eliminates Backflow & Maintains Strong Seal: Duckbill valves ensure one-way milk flow to the container bottom, stopping backflow and weak suction. Silicone diaphragms provide airtight sealing to avoid milk leakage efficient, mess-free expression
Easy Cleaning & Sterilization: Rinse simply with warm soapy water after use, or sterilize with steam, boiling water, or microwave steam bags. No hidden crevices hygienic, quick, and ready for repeated use
Great Value 6-Pack Replace Every 2-3 Months: More pieces than standard sets (6 valves + 4 diaphragms) for multiple replacements. For peak performance and hygiene, change parts every 2-3 months (or sooner if suction drops) keeps your pump reliable longer