Maymom Breast Pump Kit Compatible with Medela Pump in Style Advanced Breastpumps NOT for Pump in Style with MaxFlow 21 mm Breastshield

Contains 4 valves 6 membranes 2 tubes and 2 onepiece breastshields 21 mm Compatible with Medela Pump in Style pump parts NOT compatible with FreeStyle Swing Maxi Sonata Harmony Pump in Style with Maxflow Comparable to Medela small breastshield or medela 21 mm breastshield US FDA registered medical device No D192499 Complies with US FDA standards for containers that contact food and class II medical device Passes FDA inspection Test reports are online for your reference BPA free Retail polybag packed Sealed by the manufacturer Maymom Bottles are not included You can use any Medela bottles or other cheap standard sized bottles like Gerber Nuk and Playtex available from your local druggrocerydept stores 5 years of experience in making high quality breast pump parts for Medela Pumps 100 compatibility and satisfaction guaranteed