COMPLETE RANGE of AFTERMARKET COMPATIBLE PUMP PARTS for SPECTRA: Momstouch makes complete range of compatible aftermarket pump parts for speCtra. Including Flange, Duckbill Valve, Backflow Protector, Tubing, Collection Bottles, Breastshield converter. All available on Amazon. TRUSTED BRAND: Momstouch makes high quality compatible breastpump parts for Medela, Spectra, Ameda, and Avent breastpumps. Buy with confidence! speCtra, Avent, Ameda and associated pump model names are registered trademark of associated companies. MOMSTOUCH is an independent company. It is not associated with speCtra, Avent, or Ameda. All pump parts made by Momstouch. A whole kit Compatible with Spectra S1/S2/9 Plus breastpumps. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts. Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Duckbill Valves, Backflow Protector, Tubings, Bottles. Multiple flange sizes available: 15mm, 17mm, 19mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm. BPA Free and DEHP Free. It is made of 100% food-grade Polypropylene (PP) and silicone. Can be sanitized with water steam, boiling water or microwave-steam bags.