Lacteck flanges are a great alternative to the standard hard plastic flanges that come with our pumps. They are a soft silicone based material that compresses the nipple while pumping. Obviously this is so much more wonderful then the hard plastic. However when it comes to sizing you should know that they are not true to size.
Lacteck come in sizes 27mm, 24mm, 21mm, 18mm and they are beta testing for 15mm. From helping thousands of moms we have all discovered that all their flanges are roughly 1mm to 2mm larger than advertised. So if you get the 27s they fit like a 28/29mm, the 24mm fit like a 25/26mm, 21mm fits like a 22/23mm and the 18mm fit like 19/20mm. Should the 15mm follow the same path we can expect them to fit like 16/17mm but that has yet to be determined.
So when you are choosing which size to get, this little tip of knowledge will come in handy. Still don’t know what your flange size is? Schedule a consultation where we can take the guesswork out for you and get you to the exact flange size you need regardless of the pump or products you chose.
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