IVARONAL 8pcs Flange Insert 13mm — Compatible with Momcozy, Spectra, Medela, Elvie & More

Comfort and compatibility for a smoother pumping experience

The IVARONAL 8pcs Flange Insert set is designed to adapt to your changing pumping needs without overhauling your setup. Made from soft, food-grade silicone, these inserts sit gently against the skin while helping a consistent seal during use.

Extensive compatibility across popular brands

Whether you’re using Momcozy, Spectra, Medela, eufy, Lansinoh, Elvie, or MOMMED, these inserts are crafted to work with a wide range of mainstream 24mm wearable pumps. If you swap between models, this kit can help you keep a familiar feel and flow.

• Compatible with Momcozy Air1/W1/M9/M6/M5/S12 pro/V1 pro/V2 pro
• Also suited for Spectra, Medela, eufy, Lansinoh, Elvie, MOMMED

Size variety that grows with you

With a selection from 13 to 22 mm, you can fine-tune the fit as your pumping journey evolves. The included nipple measuring tool helps you quickly identify the best match for your current setup.

• Sizes: 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 mm
• Accurate measuring tool for faster sizing

Safety, care, and maintenance

Crafted from BPA-free silicone, the inserts are soft on sensitive skin and designed for repeated use. They fit snugly with your shield to support efficient milk expression while minimizing foreign body sensation.

Care is straightforward: sterilize by steam, boil, or microwave steam bags; wash with mild soap after each use; air dry and store. For sustained performance, consider replacing every two months.

Practical tips for everyday use

Try different sizes as you assess comfort and rhythm. Keep a dedicated set on hand for quick swaps and consistent sessions, so you feel ready to pump when you need it.