---
product_id: 686315287
title: "Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts"
brand: "afontoto"
price: "₩3198"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/686315287-upgrade-breast-pump-flange-inserts-15-17-19-21mm-most
store_origin: KR
region: South Korea
---

# 4 precise flange sizes (15/17/19/21mm) Food-grade soft silicone for max comfort Heat-safe up to 100°C for easy sterilization Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts

**Brand:** afontoto
**Price:** ₩3198
**Availability:** ❌ Out of Stock

## Summary

> 👩‍🍼 Upgrade your pump game—comfort, fit, and flow perfected!

## Quick Answers

- **What is this?** Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts by afontoto
- **How much does it cost?** ₩3198 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/686315287-upgrade-breast-pump-flange-inserts-15-17-19-21mm-most)

## Best For

- afontoto enthusiasts

## Why This Product

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

## Key Features

- • **Complete Mom Care Kit:** Includes 8 flange inserts, sizing card, scale measure, and cleaning brush—everything you need to pump confidently on the go.
- • **Hygienic & Hassle-Free:** Dishwasher safe and steam sterilizable up to 100°C, ensuring your pump parts stay pristine and mom-approved.
- • **Boost Milk Flow & Comfort:** Soft, food-grade silicone inserts stimulate milk flow and reduce pumping time, so you get more with less effort.
- • **Custom Fit for Every Stage:** 4 interchangeable flange sizes tailored to your breastfeeding journey—never compromise on comfort or efficiency.
- • **Innovative 12mm Tunnel Design:** Shorter flange tunnel minimizes backflow and discomfort—because your pumping experience should be smooth and pain-free.

## Overview

The Upgrade Breast Pump Flange Inserts kit offers four precise silicone flange sizes (15/17/19/21mm) compatible with most 24mm wearable breast pumps like Momcozy and Spectra. Made from soft, food-grade silicone, these inserts enhance milk flow and comfort while being easy to clean and sterilize. Featuring an improved 12mm short flange tunnel to reduce backflow and discomfort, the kit includes 8 inserts plus measurement tools and a cleaning brush, supporting moms through every breastfeeding stage with a perfect fit and hygienic convenience.

## Description

Upgrade Flange Inserts 15/17/19/21mm for Most 24mm Pumps Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Elvie/Medela Wearable Breast Pump Replacement Accessories

## Features

- ✅【Breastfeeding Essentials Helper Highly Compatible with 24mm Flange/Shield】These breast pump flange insert kits are designed for most 24mm wearable pumps. We have developed 15mm/17mm/19mm/21mm flange inserts based on feedback from thousands of new mothers, they are meet for most mothers during different stages of breastfeeding. Spending less money get suitable size and reduce unnecessary expenses for family.
- ✅【Safe & Easy to Clean】These inserts are made of food-grade liquid silicone, the soft silicone material is designed to stimulate milk flow and increase comfort during use, reduce pumping time and maximize milk production. They can be sanitized using around 100°C (212°F) water steam or boiling water, easy to clean and dishwasher safe.
- ✅【 Getting Right Size 】Using our silicone measurement card can help you accurately measure changes in size during different stages of breastfeeding, and replace the most suitable flange in time to ensure maximum comfort and pumping efficiency. In the middle or late stages of breastfeeding, if there is little change of your sizing, we recommend purchasing the corresponding size kits directly and eplacing them every 2-3 months to maintain optimal functionality.
- ✅【Upgrade 12mm Tunnel 】The newly upgraded 12mm short flange tunnel facilitates faster penetration of breast milk into the container and preventing backflow. Some mothers have the experience of swelling while milking, It may be due to frequent use of excessively long flange tunnel. So we have improved the design to reduce friction and discomfort of the in the flange tunnel.
- ✅【Caring Service】We have prepared sufficient accessories for your breast pump, including 8*flange, 1*size card, 1*scale measure, and 1*portable cleaning brush. Moms can spend their feeding life worry-free. Supporting every mom with the beauty of parenthood, meeting theier needs. Please reach out to us if you have any doubt or suggestion about our products, we offer 24H/7D customer service support to answer any questions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 1.0 Count |
| Brand | afontoto |

## Product Details

- **Brand:** afontoto
- **Special features:** Ergonomic, Portable, Wearable
- **Material:** Silicone
- **Included components:** Breast Flange, Cleaning Brush, Size Card
- **Material type free:** BPA Free

## Images

![Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts - Image 1](https://m.media-amazon.com/images/I/71iWl0V-T3L.jpg)
![Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts - Image 2](https://m.media-amazon.com/images/I/61RWf088ThL.jpg)
![Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts - Image 3](https://m.media-amazon.com/images/I/61nZQoqsjGL.jpg)
![Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts - Image 4](https://m.media-amazon.com/images/I/71QbwhgV+3L.jpg)
![Upgrade Breast Pump Flange Inserts 15/17/19/21mm for Most 24mm Flange/Shield, 8PCS Softer Silicone Flange Sizing Kit Compatible with Momcozy/Spectra/Bellababy Breast Pump, M5/S12 Pro Replacement Parts - Image 5](https://m.media-amazon.com/images/I/71Zf5DlpReL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/686315287-upgrade-breast-pump-flange-inserts-15-17-19-21mm-most](https://www.desertcart.kr/products/686315287-upgrade-breast-pump-flange-inserts-15-17-19-21mm-most)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-04*