Maymom Replacement O-Rings 038 Membranes for Medela Harmony

Maymom Replacement O-Rings & Membranes for Medela Harmony is a set of O-Rings and Membranes to replace your worn out ones in your Medela Harmony Manual Breast Pump. Replace your breast pump parts regularly to ensure pump stays working in tip-top condition. O-rings and membranes for Medela Harmony Manual Breast Pump Made of BPA-free material, free of plasticizer Made of silicone Product Contains 4 x O-Ring 2 x Membrane