Because Spectra recommends replacing your breast pump parts every 3-6 months for optimal performance and hygiene, this Spectra Breastshield set is the perfect set to buy when it’s time to replace. If you have the S1, S2, 9 Plus, or M1 breast pump, this is the set you’ll need to have whether you need a set of replacement parts or just want to have an extra set on-hand for home or work.

Additional Information:

• Compatible with the Spectra S1, S2, 9 Plus, or M1 breast pumps

Includes:

• (1) wide neck flange
• (1) back flow protector
• (1) duckbill valve
• (1) tube