Evenflo Feeding Replacement Parts Breastfeeding Kit for Hospital Strength Advanced Double Electric Breast Pump - SUPPORTS PUMP PERFORMANCE - Your breast pump parts are key to ensuring your pump is working correctly. Missing or worn out parts, like membranes, valves, and diaphragms, can dramatically affect your pumps suction and overall performance. This breast pump parts kit can help keep your Advanced Double Electric Breast Pump working as it should. - COMPATIBILITY - This Breast Pump Replacement Parts Kit will only work with the Evenflo Advanced Double Electric Breast Pump. - CONVENIENT AND EFFICIENT - Evenflos Advanced Double Electric Replacement Parts Kit doesnt just have to be used for missing or damaged parts. Keep an extra set wherever you go for stress free pumping or times when you dont have time for cleaning. Keep a set at work or in the car and youll always be ready. - EVERYTHING YOU NEED - Every kit includes premium parts and features like the AdvancedFit Flange System with 3 size options to accommodate different sized moms, the PerfectPosition flange angle for slouch-free pumping, and the PerfectlyPure closed system diaphragm to help prevent milk back-up. - COMMITTED- Youre committed to your childs safety and so is Evenflo Feeding. Their breast pump parts included in this replacement part kits are 100% free polycarbonates, PVC, and phthalates, and are constructed of food grade materials.