---
product_id: 380338820
title: "Nenesupply 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert"
brand: "nenesupply"
price: "VT4015"
currency: VUV
in_stock: true
reviews_count: 13
category: "Nenesupply"
url: https://www.desertcart.vu/products/380338820-nenesupply-21mm-flange-insert-compatible-with-elvie-stride-flange-pump
store_origin: VU
region: Vanuatu
---

# Reduces 24mm flange to 21mm Soft, BPA & DEHP-free silicone Dishwasher safe for easy cleaning Nenesupply 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert

**Brand:** nenesupply
**Price:** VT4015
**Availability:** ✅ In Stock

## Summary

> 👩‍🍼 Pump Smarter, Not Harder — Comfort Meets Precision!

## Quick Answers

- **What is this?** Nenesupply 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert by nenesupply
- **How much does it cost?** VT4015 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/380338820-nenesupply-21mm-flange-insert-compatible-with-elvie-stride-flange-pump)

## 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

- • **Universal Compatibility:** Works flawlessly with top breast pump brands including Elvie, Medela, Momcozy, Spectra, Willow, and Motif Luna.
- • **No Suction Loss Guarantee:** Embedded sealing circles create a complete airtight seal, maintaining optimal suction power without compromise.
- • **Effortless Maintenance & Use:** Dishwasher safe (top rack) and designed for quick installation and removal, making your pumping routine hassle-free.
- • **Premium Soft Silicone Material:** Crafted from ultra-soft, BPA and DEHP-free silicone that ensures gentle, irritation-free use during every pumping session.
- • **Precision Fit for Ultimate Comfort:** Seamlessly reduces standard 24mm flanges to a perfect 21mm size, tailored for smaller nipples and enhanced pumping efficiency.

## Overview

The Nenesupply 21mm Flange Insert is a premium silicone accessory designed to reduce 24mm breast pump flanges to 21mm, enhancing comfort and efficiency for moms with smaller nipples. Compatible with major pump brands like Elvie, Medela, and Willow, it features a secure airtight seal to prevent suction loss and is dishwasher safe for easy cleaning. BPA and DEHP-free, this insert is a must-have upgrade for a smoother, more comfortable pumping experience.

## Description

desertcart.com : Nenesupply 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert : Baby

Review: Good quality replacement parts - Fits perfectly and works just as expected. Good quality replacement parts and very comfortable to use.
Review: Fits the double Elvie shields - Allows me to use the Elvie double pumps! Would recommend!

## Features

- CONTENT: 2pc 21mm NENESUPPLY Silicone Flange Inserts compatible with 24mm of Elvie flange, Elvie Stride flange, Momcozy flange, Medela flange, Spectra flange, Willow flange, Willow Go flange, and Motif Luna flange. Reduce 24mm to 15mm. MADE BY NENESUPPLY. Compatible with Elvie pump parts accessories and Willow pump parts.
- COMPATIBLE PUMPS: Work with 24mm FLANGES of most breast pumps in the market. See product photo for illustrations.
- AVAILABLE IN 15, 17, 19, 21mm. MADE FROM SOFT SILICONE: Soft silicone makes pumping more comfortable. Reduce flange funnel to 21mm. Suitable for moms with smaller nipples. Correct flange sizes make pumping more efficient.
- NO LOSS OF SUCTION- Embeded sealing circles creates a complete seal. EASY TO INSTALL & REMOVE - Easy to push in and pull out the inserts. Hassle-free
- EASY TO CLEAN: Dishwasher safe (top rack only). BPA and DEHP Free. Comply with EU and USA regulations for materials that contact food. Tested by independent labs for quality and safety.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08YCWPH5J |
| Additional Features | This item will reduce 24mm flanges to smaller tunnel size. |
| Best Sellers Rank | #24,224 in Baby ( See Top 100 in Baby ) #1,021 in Breastfeeding Supplies |
| Brand Name | NENESUPPLY |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (623) |
| Included Components | Flange Inserts |
| Is the item dishwasher safe? | Yes |
| Manufacturer | NENESUPPLY |
| Manufacturer Part Number | N117.21 |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Model Number | N117.21 |
| Number of Items | 1 |
| Product Style | 21mm Flange Insert |
| Size | 2 Count (Pack of 1) |
| Unit Count | 2 Count |

## Product Details

- **Brand:** NENESUPPLY
- **Included Components:** Flange Inserts
- **Material:** Silicone
- **Material Type Free:** BPA Free
- **Special Feature:** This item will reduce 24mm flanges to smaller tunnel size.

## Images

![Nenesupply 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert - Image 1](https://m.media-amazon.com/images/I/41rKVjHFLHL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality replacement parts
*by A***I on March 12, 2026*

Fits perfectly and works just as expected. Good quality replacement parts and very comfortable to use.

### ⭐⭐⭐⭐⭐ Fits the double Elvie shields
*by J***N on July 15, 2025*

Allows me to use the Elvie double pumps! Would recommend!

### ⭐⭐⭐⭐⭐ Perfect Flange
*by N***E on July 9, 2024*

These fit into my Elvie stride perfectly. I don’t love that they’re not see through so it can be hard to line up your nipple. They do the job and they’re comfy though.

## Frequently Bought Together

- Nenesupply 21mm Flange Insert Compatible with Elvie Flange Pump Parts Elvie Stride Flange Momcozy Medela Flange Spectra Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert Momcozy Insert
- Nenesupply 4pc Duckbill Valves Compatible with Elvie Stride Pump Parts Replacement Parts Breast Pump Parts Momcozy Tsrete Wearable Pumps Spectra CaraCup Not Original Elvie Pump Parts Accessories

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**Shop now:** [https://www.desertcart.vu/products/380338820-nenesupply-21mm-flange-insert-compatible-with-elvie-stride-flange-pump](https://www.desertcart.vu/products/380338820-nenesupply-21mm-flange-insert-compatible-with-elvie-stride-flange-pump)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*