Breast Pump Compatibility: Spectra breastfeeding supplies compatible with Spectra S1, S2, 9 Plus, and Synergy Gold electric breast pumps Easy to Clean Breastfeeding Essentials: Wash Spectra pump parts after each use with warm soapy water and rinse well; do not wash tubing BPA/DEHP Free: All Spectra breastfeeding supplies that come in contact with breast milk are BPA/DEHP free, giving you peace of mind about the baby feeding supplies you use Important: This set of Spectra pump parts includes a Spectra flange; to ensure complete product satisfaction, measure nipple size and purchase the appropriately sized flange for your Spectra breast pump and breastfeeding accessories Made For Moms, By Moms: We`ve committed our lives to providing the best breast pump, breastfeeding supplies, milk bottles, baby accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood