---
product_id: 581009807
title: "21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE"
brand: "hranio"
price: "€ 20.16"
currency: EUR
in_stock: true
reviews_count: 13
category: "Hranio"
url: https://www.desertcart.nl/products/581009807-21mm-flange-insert-6pc-compatible-with-21mm-flange-spectra-flange
store_origin: NL
region: Netherlands
---

# 6-piece set for continuous use BPA-free silicone for safe contact Compatible with 21mm flanges & major brands 21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE

**Brand:** hranio
**Price:** € 20.16
**Availability:** ✅ In Stock

## Summary

> 🍼 Pump smarter, not harder — your perfect fit for hands-free freedom!

## Quick Answers

- **What is this?** 21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE by hranio
- **How much does it cost?** € 20.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/581009807-21mm-flange-insert-6pc-compatible-with-21mm-flange-spectra-flange)

## Best For

- hranio enthusiasts

## Why This Product

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

## Key Features

- • **Hygiene on Repeat:** 6 inserts included so you can rotate and clean without downtime—always fresh, always ready.
- • **Safe & Soft Silicone:** Crafted from BPA-free transparent silicone for gentle, irritation-free pumping comfort.
- • **Effortless Maintenance:** Easy to clean with warm soapy water, designed for busy moms who demand convenience.
- • **Seamless Compatibility:** Fits perfectly with 21mm flanges from Spectra, Medela, Elvie, Willow & more—no guesswork needed.
- • **Optimized Pumping Efficiency:** Correct flange size reduces nipple swelling and maximizes milk flow—because every drop counts.

## Overview

This 6-piece set of 21mm flange inserts is designed for compatibility with leading wearable breast pumps like Spectra, Medela, Elvie, and Willow. Made from BPA-free silicone, these inserts ensure safe, comfortable, and efficient pumping. The set allows for hygienic rotation and easy cleaning, helping moms maintain optimal nipple health and maximize milk flow. Ideal for exclusive pumpers seeking reliable, long-lasting accessories.

## Description

desertcart.com : 21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE : Baby

Review: Fits great in spectra! - Needed for an exclusively pumping mom! Love that it came with so many so that I don’t have to constantly wash the same pair. Works great in my spectra!
Review: Great fit - This brand fits better with my spectra!

## Features

- Compatibility: The Flange Inserts 21mm are breast pump accessories that can be used with most 24mm Shields/Flanges.Compatible with any S9 Pro/S12 Pro/S9/S12 wearable breast pump. (For example, compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Hands-Free breast pump). Use with 24mm breast Shields for TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby/Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD/CPPSLEE and others.
- Attention: These breast pump accessories are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.
- Easy Cleaning: After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly.
- Safety: Made of transparent silicone material,our product is BPA-free,you can use it with confidence.
- Replacement: The size of your flange insert is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it's important to monitor the appearance of the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0CL5MM4HH |
| Best Sellers Rank | #3,322 in Baby ( See Top 100 in Baby ) #44 in Electric Breast Pumps |
| Customer Reviews | 4.5 4.5 out of 5 stars (446) |
| Date First Available  | October 18, 2023 |
| Item model number  | 6pcs |
| Manufacturer  | zhitong |
| Package Dimensions  | 5.55 x 4.33 x 2.17 inches; 1.06 ounces |

## Product Details

- **Brand:** Hranio
- **Included Components:** Breast Flange
- **Material:** Silicone
- **Product Dimensions:** 3.7"L x 1.5"W x 3.7"H
- **Special Feature:** Painless

## Images

![21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE - Image 1](https://m.media-amazon.com/images/I/61aCu2yz2EL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits great in spectra!
*by K***E on September 16, 2025*

Needed for an exclusively pumping mom! Love that it came with so many so that I don’t have to constantly wash the same pair. Works great in my spectra!

### ⭐⭐⭐⭐⭐ Great fit
*by J***A on November 4, 2025*

This brand fits better with my spectra!

### ⭐⭐⭐⭐⭐ This is what you’re looking for!
*by T***R on December 5, 2025*

I have multiple pumps and these work with all of them! If this is your size, this is what you need! Easy to wash & works amazingly if this is your size!

## Frequently Bought Together

- 21mm Flange Insert 6PC, Compatible with 21mm Flange Spectra/Flange Inserts for Spectra Flange 21mm/Momcozy Flange Inserts/Wearable Breast Pump Flange Insert/Medela Flange 21mm/Elvie/Willow/TSRETE
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- Maymom Duckbill Valves for Spectra. Designed for Spectra S1 Spectra S2 Spectra 9 Plus Spectra Dew 350 Not Original Spectra Pump Parts Spectra S2 Accessories Replace Spectra Valve (6 ct White)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*