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Contains: 6 membranes. Extra parts for Medela breastpumps (not for use with the Freestyle breastpump). BPA free. Always have clean parts on-hand! No. 1 choice of hospitals & mothers. Packaged and printed in the USA.
Prior to first use: Sanitize by boiling for 10 minutes. After each use: Disassemble membranes from valves and wash in warm soapy water. Rinse in clear water and allow to completely dry. 1. Follow the instructions that came with your Medela breastpump. 2. Snap membranes onto valves until membranes lie completely flat. 3. Push assembled valve and membrane onto breastshields.