Compatible with S1, S2 and 9 Plus breast pumps, this is the set you’ll need as a replacement part or as an extra set on-hand for home or work. Because we recommend replacing your breast pump parts every 3-6 months for optimal performance and hygiene, the Spectra Breastshield set is the perfect set to buy when it’s time to replace. BPA Free.
Size Guidelines: if you're not sure about the size read more here: Choosing the Perfect Breast-shield Fit
Note: If you are double pumping please order (2) sets.