This flange insertion is used to reduce the size of the original flange 3 different diameters available ranging from 21mm, 19mm and 17mm It is designed to be inserted into Supermama Flexifit & AirPlus Breast protector to help you find optimal size.
Things to note: It should be trimmed/cut short to fit Water Plus breast pump.
Material: Silicone freely BPA
Care Way: Rinse the flange insert in boiling water for 5 minutes before first use. Clean with soapy water, and rinse with clean water, then dry after use.