Maymom Kit For Medela Freestyle Pump 2x 19 Mm Flanges Backflow Protector Valve/Membrane Tubing Adapter is single one-piece design-sturdy that will maintain your pump a closed system. It has no seams for leaking air.

Benefits and Features:

• Includes Maymom backflow protectors to maintain your pump a closed system
• Bottles not included
• You can use the original Medela bottles or any other standard sized bottles; You will also use your Medela Freestyle tubing, bottle and main pump with this kit.
• Single one-piece design-sturdy, no seams for leaking air. However, it might NOT be a best for fit for some home-made hands free bra. We recommend that you use Simplewishes Hands Free Bra with this kit.
• 100% compatible with your Medela Freestyle pump. Satisfaction guaranteed.
• BPA free. Complies with US FDA standard as class II medical device. Test report is online for your reference.