Nenesupply 30mm Flanges & Duckbill Valves for Spectra S2/S1/9 Plus | Wide-Mouth Pump Parts

Comfort, compatibility, and a practical upgrade for your Spectra pump routine

If you rely on Spectra S2, S1, 9 Plus, or Synergy Gold pumps, this Nenesupply set is designed to complement your existing kit. The package includes two large 30mm wide-mouth flanges (breastshields) and two duckbill valves, crafted to pair with Spectra backflow protectors and bottles. Expect a straightforward swap that aligns with the way you pump—without sacrificing ease of cleaning or fit. While these aren’t original Spectra parts, they’re built to support a smooth pumping experience with compatible fittings and seals.

What’s in the set

• 2 x large 30mm flanges / breastshields
• 2 x duckbill valves

Comfort, fit, and airflow

• Wide mouth 30mm flanges designed to work with Spectra valves and bottles for a secure, comfortable seal
• Flange tunnels with smooth angles reduce rubbing during pumping and accommodate longer tunnel length (32mm)
• Duckbill valves are easy to install and remove while aiming to maintain steady suction levels

Materials, safety, and care

• Made from food-grade silicone; BPA Free and DEHP Free
• Top-rack dishwasher safe and suitable for boiling water, steam, or microwavable bag sterilization
• FDA-regulated materials tested by independent labs for safety and reliability

Usage notes and compatibility

The set is designed for interchangeability with Spectra backflow protectors and Spectra bottles, helping to keep your pumping setup cohesive. These are not original Spectra parts, but they’re intended to fit with compatible Spectra-style fittings and to form an airtight seal with backflow protectors. Bottles can be secured on the flanges for stable use during pumping.