Suggested Retail: $16.99. IVARONAL Breast Pump Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra9 Plus Synergy Gold - These replacement pump parts are compatible with Spectra S1, Spectra S2, and Spectra 9 Plus breast pumps. They are made of food-grade silicone, BPA-free, safe, soft, and odorless, providing a comfortable and efficient pumping experience. The kit includes 2 flanges and 4 duckbill valves, designed for easy installation and cleaning. Note: These are not original Spectra parts. Brand: IVARONAL Model: LHUS-Flange-6P-20MM -- LOT STICKER: TCE-BOX-BOXTCED0444-ITEM-bd9b7ac4___LPNRRHW8350627 20mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra9 Plus Synergy Gold Breast Pump, Spectra Pump Parts S2 Parts S2 Accessories Replacement -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.