Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.
