Available in two types - top air path and back air path. Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts. US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;. 2 x connector piece; Compatible with Medela Shields, Maymom shields. Top air path type. The connector can be used with Pumps made prior Jun 2020 - Pump in style, Swing, Lactina, Symphony.