21mm Flange Inserts for Wearable Breast Pumps (2 Pack)

Quick Reference Guide

Compatibility

Flange Inserts 21mm are compatible with most 24mm Shields/Flanges and can be used with popular brands like the S9 Pro, S12 Pro, S9, and S12 wearable breast pumps. This product is suitable for Momcozy S12 Pro, S9 Pro, S12, and S9 Hands-Free breast pumps, as well as other well-known brands such as TSRETE, Medela, Spectra, Elvie, Willow, Bellaaby, Motif Luna, Ameda MYA, Ainsir, Phanpy, Lulia, NaNaLazy, Luxlady, kidzio, eulumap, Teexin, Fisroa, KISSBOBO, Goldeep, BIOBOO, Mumeasy, Nanawawa, TOVVILD, CPPSLEE, and more.

Attention

These breast pump accessories are designed only for 24mm Shields/Flanges. Using coconut oil or nipple butter can reduce friction, making them easier to use.

Easy Cleaning

After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly to ensure easy cleaning.

Safety

Our product is made of BPA-free, transparent silicone material, ensuring safe and reliable use.

Replacement

Choosing the correct flange insert size is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling, so it's important to monitor the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size for the best results.