MilkFlow 18mm flange with duckbill package for reliable daily pumping
MilkFlow reinforced duckbill valves with grip base for easy handling
MilkFlow Spectra-compatible pump parts ideal for upgrading S1, S2, and 9 Plus
MilkFlow wide-neck bottle compatibility supports versatile bottle options
MilkFlow BPA-free, food-grade material ensures safe daily use
MilkFlow flange size options range 13-30mm for comfortable fit
MilkFlow includes two 21mm shields for a compact starter set
MilkFlow daily-use pump accessories help maintain a smooth pumping routine
MilkFlow 18mm flange with duckbill package for reliable daily pumping
MilkFlow reinforced duckbill valves with grip base for easy handling
MilkFlow Spectra-compatible pump parts ideal for upgrading S1, S2, and 9 Plus
MilkFlow wide-neck bottle compatibility supports versatile bottle options
MilkFlow BPA-free, food-grade material ensures safe daily use
MilkFlow flange size options range 13-30mm for comfortable fit
MilkFlow includes two 21mm shields for a compact starter set
MilkFlow daily-use pump accessories help maintain a smooth pumping routine

MilkFlow 18mm Flange & Duckbill Valve (2-Pack) for Spectra S1/S2/9 Plus — Not Original Accessories

Overview Refresh your pumping routine with the MilkFlow replacement set, designed for Spectra-based systems. This 2-pack pairs an 18mm flange...
Vendor: MilkFlow
£25.89
£25.89
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Subtotal: £25.89
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MilkFlow 18mm flange with duckbill package for reliable daily pumping

MilkFlow 18mm Flange & Duckbill Valve (2-Pack) for Spectra S1/S2/9 Plus — Not Original Accessories

£25.89
MilkFlow 18mm flange with duckbill package for reliable daily pumping
MilkFlow reinforced duckbill valves with grip base for easy handling
MilkFlow Spectra-compatible pump parts ideal for upgrading S1, S2, and 9 Plus
MilkFlow wide-neck bottle compatibility supports versatile bottle options
MilkFlow BPA-free, food-grade material ensures safe daily use
MilkFlow flange size options range 13-30mm for comfortable fit
MilkFlow includes two 21mm shields for a compact starter set
MilkFlow daily-use pump accessories help maintain a smooth pumping routine

MilkFlow 18mm Flange & Duckbill Valve (2-Pack) for Spectra S1/S2/9 Plus — Not Original Accessories

£25.89
Description
Description
x

Overview

Refresh your pumping routine with the MilkFlow replacement set, designed for Spectra-based systems. This 2-pack pairs an 18mm flange with reinforced duckbill valves, offering a practical upgrade that supports daily use and reliable performance without claiming guarantees. If you’re renewing a routine after a break or simply replacing aging parts, this MilkFlow kit presents a versatile, budget-friendly option that keeps your equipment ready for everyday use.

What’s in the pack

  • Contains 2 breast shields (21mm) + 2 duckbill valves. Compatible with Spectra S1, S2, 9 Plus and Synergy Gold pumps
  • Reinforced duckbill valves with easy-grip base. Designed for daily mom use – lasts longer with everyday pumping
  • Available in sizes 13-30mm for comfortable sealing
  • 100% food-grade material, BPA free
  • Works with Spectra wide-neck bottles and most wide-mouth bottles

Compatibility, sizing, and materials

  • Fits Spectra S1, S2, 9 Plus, and Synergy Gold pumps
  • Works with Spectra wide-neck bottles and most wide-mouth bottles
  • Flange sizes range from 13mm to 30mm for a comfortable seal
  • Made from 100% food-grade, BPA-free materials

How to use and care

Inspect parts before use, rinse with warm water, and air-dry after cleaning. Replace worn components if fit becomes loose or seal shows signs of wear. This kit is a practical option for refreshing a pump setup.

Why choose MilkFlow

MilkFlow focuses on practical value and everyday usability. The two-pack offers a way to refresh essential pump parts without premium-brand pricing, while the easy-grip design supports straightforward handling during busy days and routines.

FAQ

Q: Is this MilkFlow part compatible with Spectra S1/S2 and 9 Plus pumps?

A: Yes, these replacement parts fit Spectra S1, S2, 9 Plus, and Synergy Gold pumps.

Q: What does the kit include?

A: The kit includes two 21mm shields and two reinforced duckbill valves with grip bases.

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Shipping & Return
Shipping & Return
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Shipping (UK)

  • Free standard shipping on all orders (no minimum spend, no hidden fees).
  • Processing time: 1–3 business days (no weekends/UK public holidays).
  • Estimated delivery: 5–10 business days within the UK (may vary).
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  • Please ensure your address is complete and accurate at checkout.
  • If delayed/lost, contact us via our Contact page.

Returns & Refunds

  • 30-day return window from delivery.
  • Items must be unused, in original condition & packaging. Proof of purchase required.
  • Opened hygiene/personal care items & clearance items not eligible unless faulty/damaged.
  • To start a return: contact support with order number + reason.
  • Refunds processed after inspection (bank times vary).
  • Damaged/incorrect items: contact ASAP (photos help).
  • No direct exchanges—return and place a new order.

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