MilkFlow Replacement Kit 4PCS for Spectra S1/S2/S9 Plus & Synergy Gold – 19mm Flanges, Duckbill Valves, Backflow Protectors, Tubes & Bottles (Not Original)

Refresh your Spectra pumping setup with MilkFlow

The MilkFlow Pump Parts 4PCS Replacement Kit is designed to help you restore essential components for daily pumping. Compatible with Spectra S1, S2, 9 Plus, and Synergy Gold models, this kit brings together reliable replacements that pair well with your existing bottles. These are not original Spectra accessories, but they are selected to support steady, quiet, and convenient pumping sessions.

Whether you’re preparing for a day away from home or simply keeping a spare set on hand, this kit offers a practical way to maintain performance without compromising your routine. The parts are chosen to complement the Spectra wide-neck bottles and MilkFlow bottle designs, helping you recreate a familiar pumping feel with fresh, ready-to-use components.

What’s included

• 4 Flanges (19mm)
• 4 Duckbill Valves (upgraded with small pull tab)
• 4 Backflow Protectors
• 4 Tubes
• 4 Bottles

Find your ideal fit

A key feature of this kit is the wide range of flange sizes available. To help you customize comfort and efficiency, sizes include 13mm through 32mm, covering common preferences and pumping styles.

• 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 32mm

Reliable performance and practical use

The kit is designed to form a secure fit with Spectra wide-neck bottles and MilkFlow bottles, helping to minimize milk leakage and keep pumping sessions tidy. The included components are lightweight and compact, making them easy to stash in a diaper bag, backpack, or car for on-the-go moments.

Travel-ready, easy to care for

With a focus on durability and everyday convenience, these parts are built to handle frequent use. When it’s time to clean, you can rinse and sterilize them alongside your other pump components, then reassemble for your next session.