PumpMom-us 21mm Flanges for Spectra S2/S1/9 Plus – Replacement Shields & Duckbill Valves

Enhance your pumping experience with PumpMom-us 21mm flanges

Designed as a dependable replacement option for Spectra S2, S1, and 9 Plus pumps, this set includes two 21mm flanges (breast shields) and two duckbill valves. Made by PumpMom, these parts are engineered to align with common Spectra configurations, offering a comfortable, natural-feeling fit during sessions.

What’s included

• Two 21mm flanges (breast shields) for a comfortable size option
• Two duckbill valves for a reliable seal and smooth milk flow

Fit and design

The flex shield features an upgraded 105 degree wide-angle opening and an oval shape that can help the shield settle naturally on the breast. The soft rim provides gentle contact, contributing to a more relaxed pumping posture.

• 105 degree wide-angle opening supports a wide, comfortable seal
• Oval shield shape promotes a closer, natural fit

Materials and safety

Crafted from Food Grade polypropylene and free from BPA and DEHP, these components are designed with safety in mind. The manufacturer seals the parts for added assurance.

Compatibility and use

Intended for Spectra S2, S1 and 9 Plus pumps, these are not original Spectra parts but are designed to align with typical Spectra configurations for dependable performance.

Real-world scenarios

In everyday pumping routines, the 21mm size can strike a balance between comfort and effective fit, particularly during longer sessions. Picture a calm start, steady rhythm, and consistent flow as the duckbill valves engage smoothly. Parts swap between sessions is quick and straightforward, enabling a fresh setup when needed.