ORIGINAL SpeCtra Flange Set (Size: 28MM Large) – Includes 1 x(Flange w/ Valve, Backflow Protector, and Tubing) for SpeCtra Breast Pumps S1, S2, M1, and SpeCtra S9 Made by SpeCtra Baby USA

Spectra 28mm Breastshield Substitute Set is nice for our spectra pumps when needing substitute components in a set. Spectra recommends changing your components each 3-6 months for optimum use. In case you are needing a full set of substitute components or need to have an additional set readily available for house or work this equipment is for you and your S2, S1, S9 or M1 pumps.
Flange Set
Breast Pumps S1, S2, M1, and SpeCtra S9
Measurement: 28mm Massive