---
product_id: 39440103
title: "21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle"
brand: "nenesupply"
price: "128 zł"
currency: PLN
in_stock: true
reviews_count: 10
category: "Nenesupply"
url: https://www.desertcart.pl/products/39440103-21mm-2-pc-flanges-compatible-with-spectra-s2-s1-9
store_origin: PL
region: Poland
---

# 21mm wide mouth flange 100% compatible with Spectra parts Dishwasher & sterilizer safe 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle

**Brand:** nenesupply
**Price:** 128 zł
**Availability:** ✅ In Stock

## Summary

> 👶 Pump in style, comfort, and confidence—because your little one deserves the best!

## Quick Answers

- **What is this?** 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle by nenesupply
- **How much does it cost?** 128 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/39440103-21mm-2-pc-flanges-compatible-with-spectra-s2-s1-9)

## Best For

- nenesupply enthusiasts

## Why This Product

- Trusted nenesupply brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect 21mm Fit:** Engineered for Spectra S1, S2, 9 Plus & Synergy Gold pumps—comfort meets precision.
- • **Safe & Certified:** BPA & DEHP free, FDA-compliant materials tested by independent labs for your baby’s safety.
- • **Hygiene Made Easy:** Dishwasher safe (top rack) and sterilizable by boiling, steam, or microwave bags for worry-free cleaning.
- • **Comfort-First Design:** Smooth angled flange tunnels (32mm length) prevent nipple rubbing, ideal for stretched nipples.
- • **Seamless Compatibility:** Works flawlessly with Spectra valves, backflow protectors, and bottles—no leaks, no fuss.

## Overview

Nenesupply’s 21mm dual flange set offers a premium, wide-mouth design compatible with Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps. Crafted from BPA- and DEHP-free FDA-approved materials, these flanges ensure hygienic, comfortable pumping with easy sterilization options and airtight seals that match original Spectra parts. Trusted by thousands of parents for a flawless fit and superior comfort during every pumping session.

## Description

desertcart.com : Nenesupply 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle : Baby

Review: Perfect fit for Spectra S1 - Work perfectly for Spectra S1. I always worry about not buying directly from manufacturer but was perfect. Even came with a nipple size check to ensure your buying the right size flange.
Review: Works with Spectra pump - Has made my pumping sessions so comfortable and works great with the Spectra pump.

## Features

- CONTAINS 2 SMALL 21mm FLANGES / Breastshields. MADE BY NENESUPPLY. COMPATIBLE WITH SPECTRA S2, SPECTRA S1, SPECTRA 9 PLUS, AND SYNERGY GOLD BREASTPUMPS. Not Original Spectra S2 Flanges. Not original Spectra pump parts.
- WIDE MOUTH FLANGES. Compatible and Interchangeable with Spectra valves, Spectra backflow protectors, and Spectra bottles. Also work with Nenesupply bottles.
- The flange funnels have smooth angles and do not rub against nipples. It is comfortable while pumping. The flange tunnel is at least 32mm long. It is suitable for stretched nipples. DIFFERENT FLANGE SIZES AVAILABLE: 15mm, 17mm, 19mm, 21mm, 24mm, 27mm, 30mm.
- DISH WASHER SAFE (TOP RACK). Can be sterilized with boiling water, water steam, and microwavable bags. BPA Free, DEHP Free. Comply with FDA regulations for food contact materials. Tested by independent labs for safety.
- SAME SUCTION AS ORIGINAL PUMP PARTS. Backflow protectors fit securely on the flanges and form an air-tight seal. Bottles fit securely on the flanges.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N4MIZTJ |
| Additional product features | Clean with boiling water, water steam or micorwavable bags, Compatible and Interchangeable with all Spectra parts, Dishwasher Safe (Top Rack), Flanges for Spectra S1 S2 9 Plus Synergy Gold |
| Batteries required | No |
| Best Sellers Rank | #5,797 in Baby ( See Top 100 in Baby ) #86 in Electric Breast Pumps |
| Customer Reviews | 4.7 4.7 out of 5 stars (6,610) |
| Dishwasher safe | No |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3 ounces |
| Item model number | N054-1F.24 |
| Material Type | Polypropylene |
| Material free | BPA Free, DEHP Free |
| Number Of Items | 1 |
| Product Dimensions | 5.91 x 3.94 x 4.33 inches |
| Style | Two Flanges - 21mm |

## Product Details

- **Brand:** NENESUPPLY
- **Included Components:** Breast Flange
- **Material:** Polypropylene
- **Material Type Free:** BPA Free, DEHP Free

## Images

![21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle - Image 1](https://m.media-amazon.com/images/I/518qp9bsxFL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit for Spectra S1
*by C***3 on November 2, 2025*

Work perfectly for Spectra S1. I always worry about not buying directly from manufacturer but was perfect. Even came with a nipple size check to ensure your buying the right size flange.

### ⭐⭐⭐⭐⭐ Works with Spectra pump
*by E***S on January 5, 2026*

Has made my pumping sessions so comfortable and works great with the Spectra pump.

### ⭐⭐⭐⭐⭐ Fits spectra pumps!
*by B***A on June 20, 2025*

Great produce, works wells with my spectra pump!

## Frequently Bought Together

- Nenesupply 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle
- Momcozy Hands Free Pumping Bra, Adjustable Breast-Pumps Holding and Nursing Bra, Pumping & Nursing Bra in One
- Spectra - Wide Neck Baby Bottles - Compatible with Spectra Breast Milk Pump Flanges (Pack of 2)

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**Shop now:** [https://www.desertcart.pl/products/39440103-21mm-2-pc-flanges-compatible-with-spectra-s2-s1-9](https://www.desertcart.pl/products/39440103-21mm-2-pc-flanges-compatible-with-spectra-s2-s1-9)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-08*