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Key Takeaways
Precise 19mm flange size — ideal for pumping parents needing a smaller tunnel diameter for better fit & comfort.
Designed for Spectra closed‑system pumps — fits S1, S2 & 9+ and compatible wide‑neck bottles.
Safe, easy‑clean materials — BPA/DEHP‑free plastic that’s simple to wash and sterilize.
Convenient 2‑pack — keep one set at home and one on the go.
Comfort & performance — promotes better drainage and less tissue irritation.
Quick Overview
These 19mm Spectra breastshields are specifically crafted to offer a comfortable, efficient pumping experience for parents whose nipples align best with a 19mm tunnel diameter — often resulting in more effective milk removal and less discomfort than using a generic flange size.
Features & Benefits
Perfect Fit for Spectra Systems
Tailored for Spectra S1, S2, and 9+ pumps and compatible wide‑neck setups.
Ensures a secure connection to wide‑neck bottles.
Comfort‑Focused Design
Precisely shaped tunnel and funnel to allow free movement.
Reduces excess tissue pull and irritation.
Reliable Performance
Supports effective suction and milk expression.
Consistent performance with Spectra flange interface.
Safe & Easy to Clean
Made from food‑grade, BPA/DEHP‑free plastic.
Minimal crevices for quick washing and sterilizing.
Convenient 2‑Pack
Keep one set clean and ready at home and one set in your pump bag.
Product Details
Size: 19 mm tunnel diameter
Pack Size: 2 breastshields
Materials: Food‑grade, BPA/DEHP‑free plastic
Compatibility: Spectra S1, S2, 9+ pumps & other wide‑neck systems using same flange interface
Care: Wash after each use; sterilize as usual; inspect for wear periodically
How to Use
Clean & sterilize before first use.
Attach flange to your Spectra wide‑neck bottle or connector.
Position the flange over your nipple ensuring a snug, comfortable fit.
Pump as usual, monitoring suction and comfort throughout.
Why Choose This Over Generic Flanges:
Not all flanges are created equal. This one is tailored specifically for the Spectra system with size precision, reliable fit, and materials you can count on. Rather than sticking with an ill-fitting “standard” size and compromising comfort or output, choosing the right flange size means better milk removal, less irritation, and more confidence in every pump session. When you’re already doing the hard work of pumping, your gear should just work for you — not against you.
Frequently Asked Questions
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A 19mm flange typically fits users whose nipple diameter (not areola) is around 16–18mm — but comfort and milk flow can vary. Consider sizing options if unsure.
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These are designed to interface with Spectra wide‑neck systems. If you want a Medela or another brand, confirm connector compatibility or use adapters.
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Most lactation experts recommend inspecting flanges regularly and replacing them every 3–6 months or when cracks or wear are visible.
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No — these are high‑quality aftermarket Spectra‑compatible breastshields made with safe materials.
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Yes — they’re safe for standard sterilizing methods and easy to clean; always follow your pump’s care instructions.
Make your pumping setup work with you, not add to the challenge. Choose the 19 mm Spectra Breastshield 2-Pack and pump smarter.
Not sure about your correct flange size? Make an appointment with Bonnie Knows Breast!