KAIYIV 19mm Flanges for Spectra S1/S2/9 Plus/Synergy Gold – Wide-Neck Pump Replacement Parts (2 Pack) – Not Original Spectra Flange

Find Your Perfect Fit with a 9-Size Family

KAIYIV 19mm flanges are part of a versatile family offering nine sizes from 13mm to 30mm. This listing spotlights the 19mm option, crafted for those who value a precise fit. A better fit can translate into a more comfortable pumping feel, smoother rhythm, and less fiddling with gear during busy days.

These flanges are designed to work with Spectra S1, S2, 9 Plus, and Synergy Gold wide-neck pumps. They connect directly to your wide-neck system with minimal adjustments, so you can attach, align, and start pumping with ease.

Skin-Friendly Comfort and Quiet Confidence

Made from BPA-free, food-grade plastic, the flange features a smooth surface that feels gentle on skin during longer pumping sessions. The lightweight, compact design helps keep fatigue at bay, making it a discreet option for shared spaces or late-night pumping.

• Nine sizes from 13mm to 30mm help you find the right fit for comfort and efficiency.
• 19mm is the size highlighted in this listing, compatible with wide-neck systems.
• BPA-free, food-grade plastic with a smooth surface for gentle skin contact.
• Lightweight and compact for on-the-go pumping sessions.

Leak-Proof Confidence and Easy Maintenance

These flanges are designed to connect securely with Spectra wide-neck bottles and KAIYIV bottles, helping form a tight seal and reduce leaks in unpredictable moments—whether you are pumping at night, between meetings, or while traveling.

• Compatible with Spectra wide-neck bottles for straightforward integration.
• Easy cleaning thanks to smooth inner walls that rinse quickly between uses.
• Two-pack included as a spare or replacement option from an independent manufacturer.

On-The-Go Ready

Compact and portable, these flanges are ideal for busy moms who want pumping gear that travels with them. Keep a spare in your pump bag, at the office, or in the car to stay prepared on hectic days.

What You Get

Two 19mm flanges designed for compatibility with Spectra S1/S2/9 Plus and Synergy Gold wide-neck pumps. Note: this is not original Spectra parts, but a thoughtfully designed, compatible replacement option for everyday use.