17 mm All-In-One Insert (2-Pack)

This 2-pack of 17 mm silicone inserts is designed for a more comfortable, effective pumping experience—perfect for those needing a smaller fit. Compatible with Milkbar, Crane, and Bellema pumps using the All-In-One suction system. Easy to clean and simple to use, these one-piece inserts combine the tunnel, cushion, and valve in one. Not sure if 17 mm is your size? We're here to help—please note, inserts are not returnable for hygiene reasons.