Maymom Breast Pump Kit Compatible with Medela Pump in Style Advanced Pump; 2xTwo-Piece 21mm Breastshield, 2 Valve, 4 Membrane, 2 Replacement Tubing; Replacement Part for Medela Shield, Medela Valve

PROPER SIZE ENSURES COMFORTS: Maymom shield size refers to the INTERNAL DIAMETER (ID) of the SHIELD ENTRY that nippl will go into. This 21mm Breast shield is suggested for mothers with nippl diameter 19-20 mm AFTER pumping. The kit includes 2 separable shields (Small Flange), 2 tubes, 2 Valves, 4 Membranes. All Parts are made by Maymom. Compatible with Medela Pump in style. NOT compatible with Medela Pump in Style with Maxflow, Swing Maxi, FreeStyle, Sonata, Symphony, Harmony. CONVENIENT TWO-PIECE BREASTSHIELD SYSTEM. The Breast shield(flange) is composed of a base connector (narrow neck) and a shield. You can easily take them apart for cleaning. Such an infrastructure is superior to fit almost every pumping bra on the market. Maymom offers various sizes of shields to accommodate most mothers. Size available for purchase: 13, 15, 17, 19, 21, 23, 24, 25, 27, 28, 30, 32mm. SAME SUCTION POWER AS OEM PARTS. All Maymom pump parts are interchangeable and compatible with medela personalfit breastshield. Maymom replacement parts are user friendly to be compatible with medela personalfit connectors, medela valve, medela membrane. The whole set is NOT original medela pump Parts, NOT original medela flange. MADE WITHOUT BPA. All products are inspected and in compliance with US FDA and EU standards for plastic that contacts food. Refer to Maymom test reports for detail. THE SET IS POLY-BAG SEALED AND PACKED FOR RETAIL. Sealed and made by the manufacturer, Maymom, who has 8 years of experience in making high quality breast pump parts for major brands of breast pumps. 100% compatibility and satisfaction guaranteed! • Proper size ensures comfort for mothers with nipple diameter 19-20 mm after pumping • Convenient two-piece breast shield system for easy cleaning • Same suction power as OEM parts, compatible with Medela personalfit • Made without BPA, compliant with US FDA and EU standards • Sealed and packed for retail by Maymom, ensuring quality and compatibility