Spectra Premium Replacement Parts Kit - Complete Accessory Set

The Spectra Premium Replacement Parts Kit - Complete Accessory Set comes with 3 flange sizes, per Spectra. A replacement kit with one flange (20, 24 or 28 mm, chosen at purchase), a 5 oz wide-neck bottle with nipple, disc, cap and cover, a backflow protector, a duckbill valve, tubing and an SG adapter end.

  • 5 ozCapacity

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All pump parts and flange inserts

How the Premium Replacement Parts Kit - Complete Accessory Set stacks up

Against the 34 pump parts and flange inserts we track. The shaded band is where the middle half of them fall; the dot is this one.

Flange sizes in the box310th most flange sizes of 17

Within the typical range for pump parts and flange inserts (3 to 5).

This one
1middle 58

What sets the Premium Replacement Parts Kit - Complete Accessory Set apart

Measured against the 34 pump parts and flange inserts we compare, from each maker's published specs.

  • Flange sizes in the box: 3in the middle half of the 17 pump parts and flange inserts that publish it (3 to 5)

Next to its closest matches

Fit and use

As Spectra lists it.

Sizes20 mm, 24 mm, 28 mm
Capacity5 oz

Listed features

  • Includes a bottle and the main wear parts

Worth checking

  • Sold as one flange only, so double pumping needs a second kit

Where to buy the Premium Replacement Parts Kit - Complete Accessory Set

Prices and availability change. We may earn a commission from some links.

good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: FDA recalls list.
  • Breastfeeding and pumping: see the AAP's breastfeeding pages and the FDA's breast pump page. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Spectra Premium Replacement Parts Kit - Complete Accessory Set
TypePump part or flange insert
Capacity5 oz
FitsSpectra S1 Plus, Spectra S2 Plus, Spectra 9 Plus, Spectra SG Portable, Spectra SG Synergy
Sizes20 mm, 24 mm, 28 mm
BPA-freeYes, per the maker

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Where these specs come from

Last checked 2026-11-05. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.