




Free standard shipping across the UK, with no minimum spend.
Free standard UK shipping on all orders. Orders are typically processed in 1–3 business days. The shipping policy estimates most UK deliveries at 5–10 business days; timings are estimates.
Tracking is provided where available. Read our shipping policy for details.
You can request a return within 30 days of receiving your order. Items must be unused, in their original condition and packaging. Hygiene and other exceptions apply.
Please contact us before sending anything back. See our returns and refunds policy for the full terms.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
MilkFlow’s replacement kit is designed to work with Spectra S1, S2, S9 Plus, and Synergy Gold pumps. This non-OEM kit refreshes your setup with reliable parts for everyday pumping, whether at home or on the go.
Compact and travel-ready, this kit fits into your diaper bag, desk drawer, or car, supporting pumping sessions anywhere life happens.
With a broad size range, you can experiment to find the most comfortable seal and flow, reducing fuss during pumping and storage.
Q: What pumps is this MilkFlow replacement kit compatible with?
A: Designed for Spectra S1, S2, S9 Plus, and Synergy Gold models.
Q: What does the kit include and are parts BPA-free?
A: Includes: 2x 28mm flanges, 2x duckbill valves, 2x backflow protectors, 2x tubes, 2x bottles; BPA-free.
Shipping (UK)
Returns & Refunds
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