CONTENTS: 2 x 24mm FLANGES and 2 DUCKBILL VALVES Compatible with Spectra S1, Spectra S2 and 9 Plus breastpumps. ALL PARTS MADE BY Maymom. Not Original Spectra S2 Accessories. Not original Spectra Pump Parts. Replace Spectra S2 Flanges and Spectra Duckbill Valves. COMPATIBLE and INTERCHANGEABLE WITH SPECTRA PUMP PARTS. Same suction power as OEM parts and Spectra S1 accessories. DUCKBILL VALVES EASY TO INSTALL AND REMOVE. Long last material. DIFFERENT FLANGE SIZES AVAILABLE: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 23mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm. MATERIALS DO NOT CONTAIN ANY BPA.
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