21mm Flange Inserts for Breast Pump, Compatible with Most 24mm Flanges - BPA Free, 2 Pack

Size: These breast pump flange inserts (2pcs) are specifically designed for 24mm Shields/Flanges and are not compatible with 27-28mm Shields/Flanges, narrowing the nipple channel of the 24mm shield to 21mm.

Compatible Models: The CNGSTWO flange insert is designed for use with Momcozy S12 Pro/S12/S9 Pro/S9/M5 Wearable Breast Pump, as well as various other breast pumps including TSRETE, Medela, Spectra, Bellababy, MomMed, Elvie, Willow, Bellaaby, Phanpy, NaNaLazy, KISSBOBO, BIOBOO, and more.

Safety: Made from food-grade silicone, our CNGSTWO flange inserts are BPA-free, providing peace of mind while in use. They can be easily cleaned in the dishwasher for added convenience.

Easy to install, remove, and clean: Featuring one-click installation and removal, these flange inserts can be easily cleaned with warm soapy water after each use. They can also be sterilized using boiling water/steam at around 100°C (212°F).

Friendly Reminder: Breastfeeding needs may vary, requiring different flange insert sizes for breast pumps at different stages. If you are unsure of your size, we recommend starting with our 5-piece/10-piece flange insert sets, each including five different sizes to help you find the perfect fit.

At CNGSTWO, we are dedicated to crafting each flange insert for breast pumps with care, and are committed to serving every mom. Our 24/7 customer service team is here to assist you. If the size isn't perfect, simply let us know for a free replacement.

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