---
product_id: 166114408
title: "2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange)"
brand: "maymom"
price: "$43.17"
currency: USD
in_stock: true
category: "Maymom"
url: https://www.desertcart.us/products/166114408-2x-21-mm-maymom-wide-neck-pump-parts-for-spectra
store_origin: US
region: United States of America
---

# 2x 21mm wide neck flanges Dishwasher & steam sterilizer safe BPA-free, FDA-compliant materials 2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange)

**Brand:** maymom
**Price:** $43.17
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your pumping game with Maymom’s wide neck flanges—because your comfort deserves the best!

## Quick Answers

- **What is this?** 2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange) by maymom
- **How much does it cost?** $43.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/166114408-2x-21-mm-maymom-wide-neck-pump-parts-for-spectra)

## Best For

- maymom enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Top-rack dishwasher safe and steam sterilizer compatible for hassle-free cleaning.
- • **Cross-Brand Versatility:** Seamlessly fits Spectra S1/S2, Ameda Mya/Mya Pro, and Motiff Luna pumps for ultimate flexibility.
- • **Safe & Clean Every Time:** Crafted from BPA-free, FDA-approved plastics, ensuring safety for you and your baby.
- • **Double the Compatibility:** Includes 2 wide mouth flanges perfectly sized for 18-20mm nipple diameter post-pumping.
- • **Wide Mouth Bottle Friendly:** Works flawlessly with Spectra, AVENT, and Maymom wide mouth bottles—because your pump parts should keep up.

## Overview

The Maymom 2X 21mm Wide Neck Pump Parts offer a premium, BPA-free replacement flange set compatible with Spectra S1/S2 pumps and other leading brands. Designed for mothers with 18-20mm nipple diameters, these dishwasher and steam sterilizer safe flanges provide a hygienic, versatile, and comfortable pumping experience, making them a top-rated alternative to original Spectra parts.

## Description

desertcart.com : 2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange) : Baby

## Features

- Contains 2x 21mm widemouth flanges compatible with spectra s1 plus pump, s2 plus pump and 9 pump. Suitable for mother with a nipple diameter 18-20 mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement and a great altertiave to spectra pump parts. Also suitable for Ameda Mya and Ameday Mya Pro pumps and Motiff Luna pumps.
- BPA free; Complies with US FDA regulation for plastics that contact foods
- Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
- Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
- Dishwasher toprack safe; Steam safe sterilization;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZGCGG2D |
| Best Sellers Rank | #18,206 in Baby ( See Top 100 in Baby ) #238 in Electric Breast Pumps |
| Brand Name | Maymom |
| Customer Reviews | 4.7 4.7 out of 5 stars (302) |
| Included Components | Breast Flange |
| Is the item dishwasher safe? | Yes |
| Item Weight | 0.08 Kilograms |
| Manufacturer | Maymom |
| Manufacturer Part Number | S012W-F21fD.bx2 |
| Material Type | Plastic, Silicone |
| Model Number | S012W.B |
| Number of Items | 1 |
| Product Style | Pumps |
| Size | 21 mm Flange |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Maymom
- **Included Components:** Breast Flange
- **Item Weight:** 0.08 Kilograms
- **Material:** Plastic, Silicone
- **Number of Items:** 1

## Images

![2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange) - Image 1](https://m.media-amazon.com/images/I/614U3FkgkFL.jpg)

## Frequently Bought Together

- 2X 21 mm Maymom Wide Neck Pump Parts for Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange; Replaces Spectra Shield (21 mm Small Spectra Flange)
- Maymom Wide-Mouth Milk Storage Collection Bottle with SureSeal Sealing Disk; Compatible with Spectra/Motif Luna/Ameda MYA/Bellababy Pumps. Can Replace Spectra S1 S2 Bottles, 6 pc (4.7Oz/140mL, 6pc)
- Momcozy Hands Free Pumping Bra, Adjustable Breast-Pumps Holding and Nursing Bra, Pumping & Nursing Bra in One

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-14*