One-Piece Breastshield (19 mm, Extra Small) w/ Valve, Membrane for Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease, Manual); Smaller Than Medela Personalfit 21 mm Breastshield; Made by Maymom
It is well known that using the correct breastshield size is important for your pumping comfort.  Choose the size that will fit the best for you.  This product is designed to work with Medela's pumps including Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease, Double Plus and Manual pumps. It does NOT work with FreeStyle and Harmony.  Disclaimer: Medela is a registered trademark of Medela, Switzerland.  Maymom is not affiliated with Medela nor does Medela endorse the product.