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Spectra Breastshield Set


Item# Description Pkg reward$ Price Blank
Item #: MM012302
Medium, 24mm
Item #: MM012319
Large, 28mm
Item #: MM012326
X Large, 32mm

Spectra Breastshield Set is a BPA-free single breastshield set that is perfect for replacing user pump parts. It's compatible with the Spectra S1, S2, Spectra 9 plus, and Spectra M1.

What does Spectra Breastshield Set Include?

  • (1) Spectra Single Breast Flange
  • (1) Spectra Backflow Protector
  • (1) Spectra Duckbill Valve
  • (1) Spectra Tubing

Note: If user are double pumping, user will require two sets.

Features of Spectra Breastshield Replacement Set

  • Helps maintain the proper suction
  • Spectra Breastshield Set is essential for pumping
  • Handy replacement kit
  • No need to buy all parts separately
  • Spectra recommends replacing parts every 3-6 months for optimal use
  • The Spectra Breast Flange set is great for spectra breast pumps when needing replacement parts in a set
  • Ensures efficient pump performance
  • All parts are dishwasher safe
  • BPA/DEHP-free materials

What to buy with Spectra Replacement Set

How to use Spectra Breast Pump Accessory Set?

How to Assemble the Back-Flow Protector?

How to Assemble the Back-Flow Protector?
  1. Insert the white silicone membrane into the lower case
  2. Insert the upper case into assembled silicone membrane
How to Assemble the Back-Flow Protector?

How to Assemble the Pump Kit?

How to Assemble the Pump Kit?
Push (5) valve into (4) breast shield
How to Assemble the Pump Kit?
Insert (3) back-flow protector into (4) breast shield
How to Assemble the Pump Kit?
Fasten the (6) bottle onto (4) the breast shield
How to Assemble the Pump Kit?
Insert (2) tubing into (3) back-flow protector

How to connect the Tubing to the Pump?

  1. Locate the vacuum nozzle
  2. Remove the air cap
  3. Connect tube(s) to nozzle(s)

How to measure Spectra Breast Flange size?

  1. Know what to measure: When it comes to pumping breastmilk, the size of your nipple must be properly measured for best results.
  2. Find your nipple size: After measuring, add 3-4mm to find your flange size. For example, if you measure 16mm, your breast flange size is 19-20mm.
  3. Avoid Large Fit: A flange that is too large can cause discomfort, pain & swelling.
  4. Avoid Small Fit: A flange is too small when your nipple touches or rubs against the tunnel wall of the flange, or no suction occurs.
  5. Locate the best fit: When pumping with the right size flange, your nipple moves freely in the flange tunnel and not much of the areola is drawn into the tunnel.


  • A flange that is too small or too large can cause:
    • Milk blister or bleb
    • Low milk expression
    • Redness of the nipple
    • Nipple turning white
    • Ring around nipple
    • Plugged ducts base
  • Do not measure your nipples while pregnant.
  • Always measure both breasts; they may not necessarily be the same size. 
  • Also, your flange size may change after your milk supply is well-established, approximately 1101 weeks postpartum.

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