2PCS Flange Insert 21mm Suitable for Medela/Spectra/Tsrete/Momcozy S9/S9 Pro/S10/S12/S12 Pro Wearable Breast Pump Flange/Shields, Reduce 24mm Nipple Tunnel Down to 21mm

Wide Range of Applications: CreGear 21mm flange inserts are suitable for Momcozy/Tsrete/Spectra/Zomee/Bellababy S9/S9Pro/S10/S12/S12Pro wearable breast pumps with 24mm silicone flange/shields10Making Pumping More Comfortable: CreGear 21mm flanges effectively reduce the nipple tunnel from 24mm to 21mm. It's a great helper that allows moms to pump more milk in greater comfort while minimizing nipple trauma or irritation10Food-Grade Silicone Material: CreGear 21mm flange inserts are made of food-grade silicone to keep your breast milk safe while you use them. It's skin-friendly, soft and odorless, nice pump parts replacement10Easy To Install and Clean: One-step installation and removal. The flange insert can be cleaned with water steam, boiling water or microwave steam bag10Replace Regularly: Flange insert size is critical for comfort and efficient pumping. After long-term use, the flange insert may become deformed, hardened or yellowed. It's recommended to replace the flange insert every 1 to 2 months