The Medela Valves and Membranes Retail Pack contains 2 valves and 6 membranes. Ordering extra valves and membranes for your Medela pump is useful if you want to have a spare set while the other is being washed. Membranes occasionally get damaged while washing, causing breast pump to leak. Product Highlights • BPA-free • Valued spare parts set What's in the box? 2 x Valves 6 x Membranes List of compatible Medela products • Harmony Breast Pump • Swing Breast Pump About Medela Medela is one of the leading companies in medical vacuum technologies respected and trusted by doctors and healthcare pro-fessionals from around the world. A Swiss family-owned company, Medela improves health and well-being through the pursuit of knowledge and the development of innovative products and services, empowering mothers, babies and patients to live their lives to the fullest. Medela fully supports the World Health Organization's recommendation on breastfeeding duration. Medela only provide guarantees products that are bought through us the appointed sole distributor or our authorised retailers in Singapore. No warranties nor guarantees will be provided for parallel imported products. Room Temperature Switzerland