IVARONAL 6pcs Duckbill Valves for Momcozy S12 Pro / S9 Pro – Replacement Parts

Discover a compatible replacement set from IVARONAL designed to pair with popular wearable breast pumps, including Momcozy S12 Pro, S9 Pro, TSRETE S12, and Kmaier S12. This six‑pack focuses on dependable sealing, clean flow, and simple upkeep to support your pumping routine.

Compatibility and design

The duckbill valves are built to fit the listed models, offering a reliable alternative to original accessories while preserving a consistent pumping feel. With a top design engineered to minimize gaps and a silicone diaphragm, you can expect stable suction with fewer air leaks across sessions.

• Secure fit for Momcozy S12 Pro, S9 Pro, TSRETE S12, and Kmaier S12 wearable pumps
• Design aims for a stable suction profile and reduced air leakage
• Closed system helps prevent backflow, guiding milk toward the container for efficient drainage

Premium materials and safety

Made from food‑grade silicone, these replacement valves are BPA‑free, soft to the touch, and odorless. The material choice supports a gentle, skin‑friendly experience while maintaining durability through regular use.

• Soft, flexible silicone that fits comfortably
• Odorless and BPA‑free for peace of mind
• Sturdy enough for repeated pumping sessions without compromising integrity

Care and maintenance

Keeping your valves clean helps sustain performance. After each use, rinse with warm soapy water and ensure thorough drying before storage. For sanitation, you can boil or steam the parts at temperatures up to 100°C (212°F) for 5–10 minutes. Avoid aggressive brushes that may wear the surface.

• Rinse and wash with warm soapy water
• Boil or steam at ≤100°C (212°F) for 5–10 minutes
• Handle gently and avoid hard brushes

What you get

This pack provides six valves crafted as compatible replacement parts to support ongoing pumping sessions without frequent part changes. They’re designed to deliver a comparable experience to OEM parts while offering a practical, affordable alternative.