Suggested Retail: $16. Nenesupply - 21mm - Two Flanges Compatible with Spectra S2 S1 9 Plus Breastpumps These Nenesupply 21mm breast flanges are compatible with Spectra S2, S1, and 9 Plus breastpumps. Made from BPA-free materials, they provide the same suction power as original parts. The flanges can be sanitized easily and are designed to fit Spectra wide mouth bottles. This aftermarket product includes two flanges that ensure safety and compatibility with various breast pumps. Brand: NENESUPPLY. [Reference: nwF2hjnE4cOINbZF6LtFFg]. LOT STICKER: LPNNJ4YJQMLF1. Type: Regular. Size: 21mm. 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.