IVARONAL 4PC Flange Inserts 19mm – Compatible with Momcozy, Eufy, Elvie, Medela & More

Tailored fit for diverse pumps

IVARONAL 4PC flange inserts in 19mm are designed to adapt to many 24mm flange systems, letting you customize your fit while using familiar pumps from Momcozy, Eufy, Elvie, Medela, Spectra, Lansinoh, NCVI and more. The design preserves the core function of the original parts, delivering a snug, stable seal that supports comfortable pumping sessions.

Wide size range for evolving needs

The set covers ten sizes from 13 to 22mm, giving you precise control over seal and comfort. The 19mm option offers a balance between soft contact and secure sealing. This range enables quick swaps as your pumping routine changes across days and stages of your breastfeeding journey.

• Wide compatibility with many 24mm flange systems across popular brands
• Ten available sizes 13 to 22mm for a precise fit
• Food grade silicone material that is soft, odorless, and skin friendly
• BPA free and durable for long term use
• Same function as original replacement parts with a snug seal
• Easy cleaning and safe for light sterilization

• How to choose the right size: start with 19mm and try alternate sizes from the kit
• Care and cleaning tips: wash with warm soap water after every session; boil or steam ≤ 100 C for 5–10 minutes; avoid hard brushes
• Storage and wear checks: inspect for cracks and replace if worn

Designed with a mom oriented approach, these inserts offer flexibility without replacing your entire flange system. They are comfortable to touch, durable, and easy to integrate into daily pumping routines. While the inserts can complement existing equipment, individual results may vary based on pumping style and daily comfort preferences.