Use the Spectra Breast Shield Set to replace your original breast pump parts or to keep an extra set at work. If double pumping, please buy two. The Spectra Breast Shield set is great for the spectra pumps when needing replacement parts in a set. Spectra recommend replacing your parts every 3-6 months for optimal use. If you are needing a full set of replacement parts or want to have an extra set on hand for home or work this kit is for you and your S1, S2, S3, or 9 Plus Breast Pump. Included:

• One (1) Spectra Single Breast Shield
• One (1) Spectra Backflow Protector
• One (1) Spectra Duckbill Valve
• One (1) Spectra Tubing
• Size: Medium/24mm Large/28mm X-Large/32mm

If you are double pumping, you will require two sets