The Maymom 18mm Flange and Duckbill Valve set includes two 18mm flanges and two duckbill valves designed for compatibility with Spectra S1, S2, and Spectra 9 Plus breast pumps. These parts are not original Spectra components but are engineered to perform with the same suction power as OEM parts. The flanges are compatible with various wide-neck bottles, including Avent and Maymom bottles. Made from BPA/DEHP-free materials, these components are FDA compliant for food contact and have been tested for safety. They are easy to clean and can withstand dishwasher use, steam cleaning, boiling water, and microwave steam bags.
- 2x 18mm flanges and 2 duckbill valves included
 - Compatible with Spectra S1, S2, and 9 Plus breast pumps
 - BPA/DEHP free and FDA compliant for food contact
 - Easy to clean and dishwasher safe
 - Durable quality with interchangeable parts