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Amazon.com : Replacement Valve and Membrane Compatible with Medela Breastpumps (Swing, Lactina, Pump in Style), 4X Valves/6x Membranes, Part #87089; Repaces Medela Valve and Medela Membrane : Breast Feeding Supplies : Baby
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Amazon.com : Medela Spare Valves and Membranes - 2 Count (Pack of 1) : Breast Feeding Supplies : Baby
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Amazon.com : Replacement Valve and Membrane Compatible with Medela Breastpumps (Swing, Lactina, Pump in Style), 4X Valves/6x Membranes, Part #87089; Repaces Medela Valve and Medela Membrane : Breast Feeding Supplies : Baby
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Amazon.com : 2X One-Piece Breastshields, Valves, Membranes Compatible with Medela Pump Parts, Pump in Style, Lactina, Symphony, Swing; 24 mm Standard breastshields; Made by Maymom, Clear : Breast Feeding Pumps : Baby
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