IVARONAL Duckbill Valves & Silicone Diaphragms for Momcozy S12 Pro/S9 Pro

Refresh your Momcozy S12 Pro or S9 Pro breast pump with IVARONAL 6pcs Duckbill Valves and 4pcs Silicone Diaphragms. This replacement parts set is designed to pair with your wearable pump, offering safe materials and reliable performance for everyday use.

What you get

• 6 duckbill valves for single-direction milk flow
• 4 silicone diaphragms for top seals and suction
• Compatibility with Momcozy S12 Pro and S9 Pro
• BPA-free, food-grade materials for safety and odorless operation

Compatibility and design

The parts are crafted to fit Momcozy S12 Pro and S9 Pro without requiring a full device swap. The top diaphragm is engineered without a gap, and the duckbill valve directs milk in one direction to help minimize leaks and support steady suction.

Comfort and performance

Soft silicone shields rest gently against the breast, delivering a comfortable touch during sessions. The anti-backflow and anti-overflow design helps manage milk flow more predictably, supporting reliable suction power and a smoother pumping rhythm.

Materials, safety, and care

All components are BPA-free and made from food-grade silicone and plastic. The odorless materials promote a clean pumping experience while keeping performance stable. For cleaning, wash with warm soapy water after each use, and sanitize by boiling or steaming up to 100 C for 5–10 minutes.

Real-world use and maintenance tips

• Keep a ready-to-use set on hand for quick changes between sessions
• Ideal for travel or busy days when you need to refresh pump parts
• Regular replacement can help preserve suction efficiency and pump performance

Choosing IVARONAL replacement parts offers a practical, safe way to refresh pump components and maintain reliable operation between full device replacements.