Hegen PCTO Wide Neck Adapter - Pack of 2 piecesHegen PCTO Wide Neck Adapter The breast pump connector allows mothers to pump milk directly into the Hegen bottle. Pump, store and feed in the same bottle, reducing waste from using milk storage bags. Simply change the connector and mothers can use the Hegen bottle as desired. The breast pump connector can be used with either a hand pump or an electric breast pump. Standard Pump Adapter for directly expressing milk into Hegen bottles Pump, Store &