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View compareFrequently Asked Questions
- Q: What size flanges are included in this kit? A: This kit includes two twenty-five millimeter wide mouth flanges. These are designed for compatibility with Spectra S1 and S2 pumps.
- Q: What material are the Maymom pump parts made from? A: The Maymom pump parts are made from plastic. They comply with US FDA regulations for plastics that contact foods.
- Q: Are these flanges compatible with other bottles? A: Yes, these flanges work with Spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are not compatible with other wide mouth bottles.
- Q: How do I determine the right flange size for me? A: You should measure your nipple diameter after a pumping session. Choose a flange that is one to two millimeters larger than your measured diameter.
- Q: Can I use this flange with other brands of valves? A: Yes, this flange can be used with Maymom’s valve/membrane system and is compatible with other brands' duckbills and membranes.
- Q: Is this product safe for cleaning in a dishwasher? A: Yes, the flanges are dishwasher top rack safe. They can also be sterilized using steam.
- Q: What should I do if the flanges don't fit properly? A: If the flanges don't fit properly, consider measuring your nipple diameter again to ensure you're using the correct size. You may also need to try alternative flange sizes.
- Q: Are these flanges suitable for all breastfeeding mothers? A: No, these flanges are suitable for mothers with a nipple diameter of twenty-two to twenty-four millimeters after pumping. Individual needs may vary.
- Q: Can I use these flanges with the Spectra backflow protector? A: Yes, these flanges are compatible with Spectra’s backflow protector. You can also use Maymom's long stem and short stem backflow protectors.
- Q: What is included in the Maymom pump parts kit? A: The kit includes one flange of wide mouth bottle connection. If you pump both sides simultaneously, you may want to purchase two units.
- Q: Is Maymom affiliated with Spectra? A: No, Maymom is an independent company and is not affiliated with Uzinmedicare, the trademark owner of Spectra.
- Q: How should I store the pump parts when not in use? A: Store the pump parts in a clean, dry place. Avoid exposure to direct sunlight or extreme temperatures to maintain their integrity.
- Q: What if the product arrives damaged? A: If the product arrives damaged, you should contact customer support for assistance with returns or replacements.
- Q: Do these flanges comply with safety regulations? A: Yes, they are BPA-free and comply with US FDA regulations for safety in food contact materials.
- Q: Can I use these parts with other breast pumps? A: Yes, you can use Maymom's tubing connector (sold separately) to connect these flanges to many popular breast pumps on the market.

