For use with all Medela breastpumps. Use this to replace your original
breastpump parts or to keep an extra set at work. Includes: Standard
size (24mm) 1-piece breast shield includes connector - 1 each
Preassembled with Valve (x1) and Membrane (x1) Note: This item is sold
individually as a single unit set. If your requirement is for a pair,
please order quantity 2 each. For other Medela breast shield sizes (21
mm, 24 mm, 27 mm, 30 mm, and 36 mm), check listings under Parts and
Spares. Breast shields in other sizes are not available in one-piece
construction - breast shields and connectors are sold separately.