Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 13mm,6pcs

Attention: Flange Inserts 13/15/17/19/21mm only suitable for 24mm Shields/Flanges,not for 27mm Shields/Flanges or other size.

Tips:Using coconut oil or nipple butter can reduce friction and make them easier to use.

Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 wearable breast pump.

Compatible with any S9/S10/S12/S9 Pro/S10 Pro/S12 Pro Hands-Free breast pump.

Compatible with TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby breast Pump.

Compatible with Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD/CPPSLEE and others breastpump.

Please select the appropriate size flange insert for your nipple. If you are unsure which size is best, we recommend purchasing our Flange Inserts 13/15/17/19/21mm 10-piece set, which is suitable for most nipple sizes under 24mm and includes two that can be used simultaneously.

Compatibility: The Flange Inserts 21mm are breast pump accessories that can be used with most 24mm Shields/Flanges.Compatible with any S9 Pro/S12 Pro/S9/S12 wearable breast pump. (For example, compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Hands-Free breast pump). Use with 24mm breast Shields for 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 others.
Attention: These breast pump accessories are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.
Easy Cleaning: After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly.
Safety: Made of transparent silicone material,our product is BPA-free,you can use it with confidence.
Replacement: The size of your flange insert is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it’s important to monitor the appearance of the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size.