Momcozy, Bellababy, Medela Breast Pump Compatible 21mm Flange Insert

Complete Functionality Overview

Durceler 2 Piece 21mm Flange Inserts for Wearable Breast Pumps

Compatibility with Multiple Brands

These Durceler 21mm flange inserts are compatible with a wide range of wearable breast pumps, including Momcozy S9, S10, S12 Pro, bluefair, BIOBOO, S18, S21, S23, Medela Spectra S1, S2, TSRETE, FEISIKE, Rainyb, Bellababy MiniO, NCVI, kmaier, MomMed, NaNaLazy, NIRGU, Onlyeah, MomWills, Motif Luna, and Amada MYA 24mm breast shields. They also fit Lansinoh and Freemie 25mm cups, reducing the nipple tunnel to 21mm.

Seamless Compatibility for Optimal Milk Expression

These inserts are designed for nipple diameters of 18-20mm after a pumping session. Alternatively, for measuring before a pumping session, ensure the nipple base circumference is between 50.24 to 56.52mm. They provide a perfect fit for small-nippled mothers using large breast shields, ensuring both comfort and efficient milk output.

Replacement Guidelines

Replace the inserts every 4-12 weeks, considering the duration and frequency of your pumping sessions. They are made of durable, clear, and comfortable silicone material, BPA free, ensuring optimal comfort during use.

Compatibility with Most Handsfree Bras

These inserts maintain compatibility with most handsfree bras. You can use them with original 24/25mm detachable shields by slightly squeezing the insert to ensure a perfect fit during operation.

These inserts are your ideal solution for achieving the best possible milk expression and comfort, regardless of your breast pump brand.