IVARONAL 2pcs Silicone Flange 19mm – Compatible with Momcozy S12 Pro/S9 Pro & S12 Wearable Pumps

Overview

The IVARONAL 2-pack silicone flanges in 19mm are designed to slot into a variety of popular breast pumps, including Momcozy S12 Pro and S9 Pro, as well as TSRETE S12 and Kmaier S12 wearable models. Made from BPA-free silicone, these flanges aim to deliver a soft, comfortable, and natural-feeling fit across pumping sessions, serving as a practical replacement part for ongoing pumping routines.

Why choose this 19mm flange

Choosing the right flange size matters for comfort and efficient pumping. The 19mm option offers a balance between snug seal and gentle contact, helping to reduce pressure points while supporting a steady pumping rhythm. With multiple sizes available in the broader IVARONAL range, you can compare fit and decide what best suits your body and pumping style without guessing.

Compatibility and sizing

• Widely compatible with Momcozy S12 Pro/S9 Pro, TSRETE S12, and Kmaier S12 wearable pumps as a reliable replacement part.
• Designed to deliver similar performance to original parts, helping you maintain a familiar pumping feel during use.

Five sizes to fit your body

• Sizes include 17mm, 19mm, 21mm, 24mm, and 27mm for a customized fit.
• Having options helps you explore comfort levels across different pumping sessions and changing needs.

Performance and comfort

Crafted from soft, silicone material, these flanges aim to create a secure seal while maintaining a comfortable, natural contact with the skin. The design focuses on a smooth entry with reduced friction, making longer pumping sessions feel more tolerable for many users.

Care and maintenance

• Easy cleaning: wash with warm soapy water after each use and rinse well.
• Sanitization options include water steam, boiling water, or microwave steam bags.
• For optimal performance, replace every 4–12 weeks to refresh elasticity and suction quality.

Real-world use scenarios

These flanges work well whether you’re at home, traveling, or keeping a spare pair in your pump bag. The 19mm size can be a practical middle ground for many users, providing consistent fit while you evaluate other size options.