Please note that the following sizes are included for the eufy Breast Pump S1 Pro, S1, and E10 models. 17/19/21mm inserts are compatible with the 24mm flange.
- 17mm
- 19mm
- 21mm
- 24mm
Additionally, you also have the option to purchase a 27mm flange on the eufy official website.
If you have any further questions regarding the eufy Breast Pump, please don't hesitate to reach out to us for assistance.























