KAIYIV Spectra Replacement Pump Parts Kit — S1/S2/9 Plus Compatible, 19mm Flange

Complete replacement kit for Spectra S1 and S2 pumping systems

The KAIYIV Spectra replacement parts kit offers a comprehensive, ready-to-use solution designed for busy moms who want a hygienic, efficient pumping setup. This all-in-one kit helps you refresh worn parts quickly, so you can keep your routine steady without downtime.

What’s included

• 2 wide-mouth flanges (19 mm)
• 2 duckbill valves
• 2 backflow protectors
• 2 flexible tubes
• 2 wide-neck bottles with sealing discs

Having a full replacement kit on hand means you can prepare for daily pumping, travel, or overnight sessions without scrambling for parts.

Wide range of flange sizes

Flange sizes span 13, 15, 17, 18, 19, 21, 24, 26, 28 and 30 mm. A well-matched flange can contribute to a more comfortable experience and may enhance pumping efficiency through a stable seal and smoother suction.

Consistent suction and comfortable design

The kit is designed to deliver steady suction during each session. Wide-neck flanges with smooth edges aim to minimize discomfort, supporting a relaxed pumping experience whether you’re at home, at work, or during night-time sessions.

Safe food-grade materials

• Made from BPA-free, DEHP-free silicone and PP
• Sterilizable by boiling water, steam, or microwave steam bags

All parts are constructed with food-grade materials to support safe handling and easy sanitation between uses. The ability to sterilize helps maintain a clean setup between pumping sessions.

Large-capacity bottle for storage

Each wide-neck bottle holds up to 180 ml, making it convenient for milk storage or for introducing small portions of baby-friendly foods. The sealing disc can be labeled with date or name to keep daily storage organized.

Easy to clean & maintain

Detachable design and smooth surfaces minimize milk residue buildup and simplify cleaning and reassembly, helping you save time between pumping sessions.

Compatibility with Spectra pumps

Designed to be interchangeable with Spectra S1, S2, and 9 Plus pumps, delivering reliable performance that supports your pumping routine without interruption.