Available for immediate purchase ◎ Please feel free to comment if you have any questions. medela Replacement Breast Pump Valve Kit Yellow breast pump valves x 4, white membranes x 8 Purchased on Amazon in August 2025, but no longer needed, so I am selling it. I have stored it at home, so please refrain from purchasing if you are concerned about this. * When shipping, the box will be flattened for packaging. Please be aware of this in advance.