Replacement membrane only (goes inside freestyle spare parts).

There are 3 pieces to freestyle spare parts. This is 1 piece out of 3 pieces. (There is a back cover and a body piece as well).

BULK. These are bulk parts stored in bins with no packaging. Plastic sometimes attracts some dust/dirt.

Disclaimer: Medela, Lactina, Symphony, Pump in Style Advanced, Freestyle, SpecialNeeds Feeder, Mini-SpecialNeeds Feeder, SoftFeeder and Calma are registered trademarks of Medela Holding AG. Swing, Harmony, The Metro Bag, Tender Care, SoftShells, TheraShells, Pump & Save, Breastmilk Feeding Gift Set, and Quick Clean are trademarks of Medela, Inc. Our company is not affiliated with Medela. Medela does not endorse this website. We do not sell counterfeits but please understand items do not come with manufacturer warranty because we are not authorized resellers or distributors of Medela.