---
product_id: 588961156
title: "Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size"
brand: "lotbill"
price: "AR$30425"
currency: ARS
in_stock: true
category: "Lotbill"
url: https://www.desertcart.com.ar/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy
store_origin: AR
region: Argentina
---

# Compatible with 24mm flanges, boosts milk flow 5 precise flange sizes (13-21mm) Includes cleaning brush & measuring tool Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size

**Brand:** lotbill
**Price:** AR$30425
**Availability:** ✅ In Stock

## Summary

> 🍼 Perfect fit, painless pumping — because every drop counts!

## Quick Answers

- **What is this?** Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size by lotbill
- **How much does it cost?** AR$30425 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy)

## Best For

- lotbill enthusiasts

## Why This Product

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

## Key Features

- • **Broad Compatibility:** Works seamlessly with top breast pump brands like Momcozy, Medela, Spectra, Willow, and Elvie.
- • **Quick Clean & Ready:** Top-rack dishwasher safe inserts plus a handy brush keep your pumping routine hygienic and efficient.
- • **All-in-One Pumping Kit:** Includes 10 flange inserts, a nipple ruler, and cleaning brush for hassle-free customization and maintenance.
- • **Safe & Gentle Silicone:** Made from BPA-free, food-grade silicone that’s soft on skin and reusable for long-term use.
- • **Custom Fit, Maximum Comfort:** 5 size options ensure perfect flange fit to reduce pain and improve suction efficiency.

## Overview

The LOTBILL Flange Insert Kit offers 10 BPA-free silicone inserts in 5 sizes (13-21mm) designed to reduce 24mm breast pump flanges to the correct size. Compatible with major electric breast pumps like Momcozy, Medela, and Spectra, it includes a nipple measuring tool and cleaning brush for a customized, hygienic, and comfortable pumping experience that enhances milk flow and reduces discomfort.

## Description

desertcart.com : Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size : Baby

## Features

- Please Note that other sizes such as 18mm and 20mm are NOT included. This set includes 10 flange inserts in different sizes (13mm, 15mm, 17mm, 19mm, and 21mm), along with a flange measuring tool and a cleaning brush, providing everything you need for a customized and efficient pumping experience.
- Compatible with Most Breast Pumps: LOTBILL flange insert is suitable for most wearable breast pumps and 24mm breast pump flanges/shields(not for 27mm and 28mm shield), such as it is compatible with Momcozy S12 Pro/S9 Pro/S12/S9/S10/Medela/Spectra/Willow/Elvie and other. Simply insert the right size – works great with breast pumps to reduce discomfort and improve suction
- The Importance of Choosing the Right Size: According to professional lactation consultants, a mother's nipple size may vary throughout the breastfeeding process. To save moms time and energy in finding the correct size, we offer an accurate and useful nipple measuring tool. Say goodbye to the pain and inefficient pumping caused by incorrect sizes
- Care for Moms and Babies: Our flange sizing kit is made from food-grade silicone materials, free from BPA. They provide a soft texture that is gentle on delicate skin. The flange inserts fit closely with your skin, promoting efficient milk expression without any foreign body sensation. Additionally, they are reusable and suitable for taking care of the health and safety of mothers and children
- Easy to Clean and Care: Comes with a handy cleaning brush for quick hand washing, and the inserts are top‑rack dishwasher safe. And ready for your next pumping. After each use, the replacement breast pump parts can be washed with mild soapy water, then rinsed with clean water. To maintain optimal function, we recommend replacing the pump accessories every 2 months
- Enhanced Pumping Experience: A proper fit means less friction, less pain, and more milk. Moms report shorter pumping sessions, fewer sore spots, and a more productive session every time. No more guessing your size! The included ruler helps you measure accurately for a truly Comfortable pumping experience

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CL96VP1C |
| ASIN  | B0CL96VP1C |
| Additional Features | Portable |
| Best Sellers Rank | #3,894 in Baby ( See Top 100 in Baby ) #38 in Electric Breast Pumps |
| Brand Name | LOTBILL |
| Color | Transparent |
| Customer Reviews | 4.6 4.6 out of 5 stars (636) |
| Date First Available  | October 16, 2023 |
| Included Components | Cleaning Brush, Nipple Ruler |
| Item Weight | 0.1 kg |
| Item model number  | FL-8910 |
| Manufacturer | LOTBILL |
| Manufacturer  | LOTBILL |
| Manufacturer Part Number | FL-8910 |
| Material Type | Silicone |
| Model Number | FL-8910 |
| Number of Items | 10 |
| Product Dimensions  | 3.4 x 4.8 x 1.4 inches; 3.53 ounces |
| Product Style | Includes 10 flange inserts in 5 sizes (13mm, 15mm, 17mm, 19mm, and 21mm), cleaning brush and nipple measurement tool for flanges |
| Size | 10pcs-13/15/17/19/21mm |
| UPC | 726172399673 |
| Unit Count | 10 Count |

## Product Details

- **Brand:** LOTBILL
- **Included Components:** Cleaning Brush, Nipple Ruler
- **Material:** Silicone
- **Number of Items:** 10
- **Special Feature:** Portable

## Images

![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 1](https://m.media-amazon.com/images/I/71kIdvxKUgL.jpg)

## Available Options

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

## Frequently Bought Together

- Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
- Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk
- Lansinoh Breastmilk Storage Bags, 100 Count, Baby Essentials, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Superior Strength & Stretch, 6 Ounce

---

## 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.com.ar/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy](https://www.desertcart.com.ar/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-16*