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Easy Guide to bottle compatibility with Medela Breast Pumps Parts

Bottle Compatibility

Have you wonder which Medela breast pumps parts will work with which baby bottles so that you can pump directly to the feeding bottle? 

The Medela, Ameda bottles are known as standard mouth bottles whereas the Avent, Spectra bottles in general are wide mouth bottles.

If your bottles are not listed here, here is a general guideline. Standard mouth (or narrow mouth) bottles are a little less than 1.5 inches when you measure across the diameter of the top of the bottle.Wide mouth bottles are a little less than 2 inches when you measure across the diameter of the top of the bottle.

Here's a chart to help you!

Model Pump Part Connection to Adapter Needed
PISA, Swing (Single-side) Medela PersonalFit Bottle Connector Medela Bottle None needed
Medela PersonalFit Bottle Connector Spectra Bottle Yes, this one
Medela PersonalFit Bottle Connector Avent Bottle Yes, this one
Medela PersonalFit Bottle Connector Standard mouth Dr. Brown Bottle None needed
Medela PersonalFit Bottle Connector Tommee Tippee Bottle Yes, this one
Medela PersonalFit Bottle Connector Standard mouth Pigeon bottle None needed
Medela PersonalFit Bottle Connector Wide mouth Pigeon bottle Not compatible
Classic
Freestyle, Swing-Maxi
Medela Freestyle Spare parts kit Medela Bottle None needed
Medela Freestyle Spare parts kit Spectra Bottle Yes, this one
Medela Freestyle Spare parts kit Avent Bottle Yes, this one
Medela Freestyle Spare parts kit Tommee Tippee Bottle Yes, this one
Sonata Medela Sonata spare parts kit  Medela Bottle None needed
Medela Sonata spare parts kit  Spectra Bottle Yes, this one
Medela Sonata spare parts kit  Avent Bottle Yes, this one
Medela Sonata spare parts kit  Standard mouth Pigeon bottle None needed
Medela Sonata spare parts kit  Wide mouth Pigeon bottle Not compatible
Swing-Maxi Flex, Freestyle Flex Medela PersonalFit Flex Connector Medela Bottle None needed
Medela PersonalFit Flex Connector Standard mouth Dr. Brown Bottle None needed
Medela PersonalFit Flex Connector Spectra Bottle Yes, this one
Medela PersonalFit Flex Connector Avent Bottle Yes, this one
Medela PersonalFit Flex Connector Standard mouth Pigeon bottle None needed
Medela PersonalFit Flex Connector Wide mouth Pigeon bottle Not compatible
 Maymom One-piece flange - standard neck Medela Bottle None needed
One-piece flange - standard neck Spectra Bottle Yes, this one
One-piece flange - standard neck Avent Bottle Yes, this one
One-piece flange - standard neck Tommee Tippee Bottle Yes, this one
One-piece flange - standard neck Standard mouth Pigeon bottle None needed
One-piece flange - standard neck Wide mouth Pigeon bottle Not compatible
Narrow Neck Base Connector for Medela Medela bottle None needed
Narrow Neck Base Connector for Medela Spectra Bottle Yes, this one
Narrow Neck Base Connector for Medela Avent Bottle Yes, this one
Narrow Neck Base Connector for Medela Tommee Tippee Bottle Yes, this one
Narrow Neck Base Connector for Medela Standard mouth Pigeon bottle None needed
Narrow Neck Base Connector for Medela Wide mouth Pigeon bottle Not compatible

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