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🍼 Upgrade your pump game with Maymom’s precision parts—because your flow deserves the best!
Maymom’s 21mm flange and duckbill valve set offers a premium, compatible replacement for Spectra S1, S2, and 9 Plus breast pumps. Engineered for durability and comfort, these BPA/DEHP-free components ensure safe, efficient pumping with easy installation and maintenance. Trusted by thousands, they deliver OEM-level performance without the premium price tag.




















































| ASIN | B0863NBHRX |
| Best Sellers Rank | 50,163 in Baby Products ( See Top 100 in Baby Products ) 1,034 in Breast Pumps & Accessories |
| Brand | Maymom |
| Brand Name | Maymom |
| Colour | White Valve |
| Customer Reviews | 4.7 out of 5 stars 2,055 Reviews |
| Included Components | Bottle, Valve |
| Included components | Bottle, Valve |
| Is the item dishwasher safe? | No |
| Item Weight | 0.08 Kilograms |
| Item weight | 0.08 Kilograms |
| Manufacturer | Maymom |
| Manufacturer Part Number | ca_S012W-FxxDx2 |
| Material | Plastic Silicone |
| Material Type | Plastic Silicone |
| Model Number | S012W-FxxDx2 |
| Product Style | Compatible |
| Size | 21 mm Flanges |
| Special Features | Closed System |
| Special feature | Closed System |
| Unit Count | 1.0 count |
T**A
Good
Good
C**R
Best replacement parts for my Spectra S2
These replacement parts for my Spectra S2 were exactly what I needed! The set comes with clear instructions and images, which made swapping everything out super simple, even for someone like me who usually finds pump parts confusing. I especially appreciated the QR codes included; they linked directly to step-by-step instructions and even to individual replacement parts if I ever need to reorder just one piece. The parts themselves feel durable and well-made, and they fit my S2 perfectly without any issues. Everything works smoothly and has held up well after multiple uses and washes. It’s such a relief to have a compatible, high-quality option that makes pumping easier and less stressful. Highly recommend for any Spectra S2 user who wants reliable replacement parts without the guesswork!
C**L
Compatível com a Bomba Spectra Synergy Gold Dual
Recomendo esta marca, porque realmente é compatível. O material é semelhante ao da Spectra, não noto diferença. Apenas uma nota para quem encomenda o ⌀21mm, encomende um número menor porque eles não tem o ⌀21mm e enviam o ⌀22mm, como podem ver na embalagem.
A**E
Great for the pumping mum
Perfect for my spectra s1 arrived fast and price was awesome
E**A
comfortable and Pain-Free
I bought a full kit before, but it was really hard to fit and not very comfortable, so I decided to try this flange instead. Honestly, the quality is even better than the original one. The edges are smooth, the size fits perfectly, and most importantly, it’s comfortable to use. I don’t feel any pain at all. Plus, it’s HSA eligible, which is a nice bonus. really happy :)
Trustpilot
1 month ago
1 week ago