Momcozy Original S9 Pro/S12 Pro Replacement Accessories — Duckbill Valves & Silicone Diaphragm (1 Pack)

Enhance your Momcozy S9 Pro and S12 Pro with authentic replacement parts

Designed specifically for the Momcozy S9 Pro and S12 Pro wearable breast pumps, these replacement duckbill valves and silicone diaphragm parts help maintain fit, seal, and performance. This 1 pack emphasizes compatibility with the Pro models while clearly not intended for the older S9 or S12 devices. The parts are crafted to work smoothly with the pump’s architecture, supporting everyday pumping routines with confidence and ease.

Crafted from BPA-free, food-grade silicone, these components prioritize safety and comfort where breast milk contacts matter most. The materials are selected to feel gentle during handling and use, while standing up to routine cleaning. The diaphragm helps sustain a reliable seal to minimize milk leakage, and the duckbill valve facilitates milk flow toward the container. Together, they form a practical upgrade path for maintaining pump efficiency over time.

Real-life use scenarios often involve quick, regular maintenance between sessions. With proper care, these parts can stay clean and ready, supporting busy days with a snug fit and predictable performance. The replacement parts also align with Momcozy’s dedication to mothers by providing thoughtful engineering, education, and customer care that aim to support the rhythm of daily parenthood.

Key benefits and what to expect

• Designed for S9 Pro and S12 Pro wearables to help maintain a secure seal and smooth pumping cycles.
• Duckbill valve combination supports milk direction toward the bottle, aiding controlled flow.
• Silicone diaphragm assists in sealing the pump chamber to reduce leakage potential.
• BPA-free, food-grade silicone offers a safe, baby-friendly material for items in contact with milk.
• Authentic Momcozy parts, FSA/HSA eligible, and intended to complement standard Pro model accessories.

Maintenance tips: wash these parts with warm, soapy water after use and rinse thoroughly. If you prefer extra reassurance, you can use boiling water or steam at around 100°C (212°F) to sterilize, following proper guidelines for silicone components.

In everyday life, these accessories are about reliability and peace of mind. They’re small, practical upgrades that fit naturally into the Momcozy ecosystem, helping you stay focused on your feeding journey rather than on equipment concerns.