Replacement Flange Inserts for Breast Pumps - 21mm, BPA-Free, 2-Pack

The CNGSTWO breast pump flange inserts (2pcs) are specifically designed for 24mm Shields/Flanges and are not compatible with 27-28mm Shields/Flanges. These inserts will narrow the nipple channel of the 24mm shield to 21mm. They are compatible with Momcozy S12 Pro/S12/S9 Pro/S9/M5 Wearable Breast Pump models. Additionally, the CNGSTWO flange insert is compatible with various other breast pumps, including TSRETE, Medela, Spectra, Bellababy, MomMed, Elvie, Willow, Bellaaby, Phanpy, NaNaLazy, KISSBOBO, BIOBOO, and more.

Crafted from food-grade silicone, our CNGSTWO flange inserts are BPA-free, ensuring your peace of mind when in use. They are also dishwasher safe for convenient cleaning. One-click installation and removal make them easy to install, remove, and clean. They can also be sterilized using boiling water/steam at around 100°C (212°F).

Breastfeeding needs vary, requiring different flange insert sizes for breast pumps at different stages. If you know your size, purchase accordingly. If unsure, we recommend starting with our 5-piece/10-piece flange insert sets, each including five different sizes, ensuring you find the perfect fit.

We are committed to serving every mom with care in crafting each flange insert for breast pump. Our 24/7 customer service is here for you. If the size isn't perfect, let us know for a free replacement.

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