spectra backflow protectornspectra pumpnspectra pump partsnspectra s2 accessoriesnspectra s1 accessoriesnAbout the Product Spectra Silicone Massager Insert for Spectra Breast Shield or Flange made for Spectra Breast Pumps S1, S2, M1, S9, Standard Size FDA REGISTERED MEDICAL DEVICE. All parts can be sanitized with boiling water or water steam. IN RETAIL PACK SEALED BY MOM'S HEART Spectra is a brand of Korea. This product made by South Korea.