Maymom 21mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra 20mm Replace Pump Parts Spectra Flange Spectra Duckbill Valve

The media could not be loaded. 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!

These work great with the spectra s1 pump. They are easy to clean and have lasted 6 months of pumping so far, just make sure to replace the duck bill valves. Very impressed with the quality!

I have the blue and pink spectra, these are great replacement parts for the pumpsSize was accurate and fit the description

Fit my Spectra and my breast/nipple very well. I was hesitant to buy more than one set at a time, but I recommend getting a few so it's one less thing to worry about later (pumping is hard!)

I use a Spectra pump, and switching to the Maymom 21mm flange and duckbill set has made a huge difference. One of the most important things I learned is that flange sizing really matters — figuring out the correct size for your nipple is essential for both comfort and milk output.The 21mm fits me so much better than the standard sizes that come with the pump. The suction is strong and consistent, and the duckbills work perfectly without leaking. They’re also easy to clean and hold up well with daily use.Having the right size flange truly changed my pumping experience, and I’m so glad these affordable replacements are available. A must-have for any Spectra mom!

Works perfect with spectra.Great price and easy to assemble. Only downside is I wish that the size was printed visibly on the side. I have to use two different size flanges and it’s hard to tell which is which!

The product was great in that all the parts were compatible with Spectra’s parts and they functioned properly, but the sizing chart in the images was a little hard to figure out and I bought the wrong size. And with pumping, it’s so important to get a good size. I would air on the side of going down rather than up if you’re in between. When I measure, I’m at a 15-16, so I looked at the chart and it said to go to 19mm which was slightly too big and cause led some pain.As far as other details go, the parts are easy to use, easy to clean, and store just like any other parts would. It was a little pricey in my opinion, but it’s still way cheaper than brand name parts. It’s just a shame that you have to kind of guess with sizes and try them all out in whatever range you’re in.

My lactation consultant gave me this recommendation and saved my life. A few years back with my first I never knew about the importance of flange size! Just flange size can affect production. I used these with my spectra and it’s much nicer than inserts in my opinion! Just more comfortable & easier for cleaning! Very happy with this product! The extra duckbill valves are a plus!