---
product_id: 725089797
title: "LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size"
brand: "lotbill"
price: "244 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Lotbill"
url: https://www.desertcart.ro/products/725089797-lotbill-10pcs-13-15-17-19-21mm-flange-inserts-medela
store_origin: RO
region: Romania
---

# 5 size options (13-21mm) for perfect fit Easy to clean & sterilize for hygiene BPA-free food-grade silicone, ultra-safe LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size

**Brand:** lotbill
**Price:** 244 Lei
**Availability:** ✅ In Stock

## Summary

> 🍼 Perfect fit, pure comfort—because your milk deserves the best!

## Quick Answers

- **What is this?** LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size by lotbill
- **How much does it cost?** 244 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/725089797-lotbill-10pcs-13-15-17-19-21mm-flange-inserts-medela)

## 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

- • **Hygienic & Convenient:** Simple cleaning with mild soap and water plus compact storage keeps your pumping routine fresh and organized.
- • **Premium Safe Silicone:** Crafted from BPA-free, food-grade silicone that’s gentle on skin and easy to sterilize for ultimate safety.
- • **Universal Compatibility:** Seamlessly fits top wearable pumps like Medela, Spectra, Willow, Elvie, and more—perfect for your busy lifestyle.
- • **Boost Pumping Efficiency:** Proper flange fit improves milk drainage and comfort—replace every 1-2 months to maintain peak performance.
- • **Custom Fit for Every Mom:** 5 precision flange sizes ensure optimal milk flow and comfort, reducing nipple pain and swelling.

## Overview

The LOTBILL 10PCS flange inserts offer five precise sizes (13-21mm) made from BPA-free food-grade silicone, compatible with most 24mm wearable breast pump flanges including Medela, Spectra, Willow, and more. Designed to enhance pumping comfort and efficiency, these easy-to-clean inserts reduce nipple friction and swelling, supporting moms through every stage of nursing.

## Description

The LOTBILL flange insert is compatible with S9/S10/S10 Pro/S12/S12 Pro hands-free breast pumps. Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breast Pump Fits Medela/Spectra/Willow/Elvie/Motif Luna/Ameda MYA/Phanpy/Goldeep/BIOBOO breastpumps. Note: LOTBILL flange insert 13/15/17/19/21mm is only fit for 24mm portable breast pump flange/shield. Not for use with 27mm flanges/shields or other sizes

Review: Perfect for my Spectra S2 and Elvie Stride. Multiple sizes made it easy to find the perfect fit. Holds up well over dozens of uses and sanitization.
Review: Perfecto con mi medela swing.

## Features

- 【Compatible with Breast Pumps】LOTBILL flange insert is suitable for most wearable breast pumps and 24mm pumps flanges/shields such as Medela/Spectra/Willow/Momcozy S9/S9 Pro/S10/S12/S12 Pro/Elvie/Tsrete/Motif Luna/Ameda MYA/Phanpy/Gold. Deep/Biobbo/Biobo O etc. (Not for 27mm shield)
- CHOOSE THE RIGHT SIZE: According to the nursing consultant, mother's nipple size may vary throughout the nursing process. 10pcs: 13/15/17/19/21, 6pcs: 13/15/17, 15/17/19, 17/19/21 Choosing the right size flange insert will allow your breast milk to drain smoothly
- SAFE MATERIAL: Our silicone flange inserts are made of BPA free food grade silicone material. Soft to the touch, gentle on the skin. Before use, the breast pump flange insert can be sterilized by steam or boiling water. Very suitable for the health and safety of mother and children
- EASY TO CLEAN AND STORE: Wash the breast pump parts with mild soapy water after each use, then rinse with clean water. Once dry, you can put it in the storage box to keep it clean and organized
- Replacement: Comfortable and proper flange inserts not only improve pumping efficiency, but also reduce friction against nipples or compressed by flange channels. It is also important to monitor the appearance of your nipples while pumping, because some moms feel swelling during expression. We recommend replacing every 1-2 months

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CL96VP1C |
| ASIN  | B0CL96VP1C |
| Color | Transparent |
| Customer Reviews | 4.6 4.6 out of 5 stars (361) |
| Date First Available | November 7, 2023 |
| Included Components | Breast Flange |
| Item model number  | FL-8910 |
| Manufacturer  | LOTBILL |
| Material Type | Silicone |
| Product Dimensions | 8.64 x 12.19 x 3.56 cm; 100 g |
| Product Dimensions  | 8.64 x 12.19 x 3.56 cm; 100 g |

## Product Details

- **Brand:** LOTBILL
- **Color:** Transparent
- **Included Components:** Breast Flange
- **Is Dishwasher Safe:** Yes
- **Item Weight:** 0.1 Kilograms
- **Manufacturer:** LOTBILL
- **Material:** Silicone
- **Number of Items:** 10
- **Size:** 10pcs-13/15/17/19/21mm
- **UPC:** 726172399673

## Images

![LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size - Image 1](https://m.media-amazon.com/images/I/61NAqEnPc7L.jpg)
![LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size - Image 2](https://m.media-amazon.com/images/I/61ZaSAG1TNL.jpg)
![LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size - Image 3](https://m.media-amazon.com/images/I/719nxUSOdXL.jpg)
![LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size - Image 4](https://m.media-amazon.com/images/I/71F0RhzR9kL.jpg)
![LOTBILL 10PCS 13/15/17/19/21mm Flange Inserts for Medela/Spectra/Momcozy S9/S9pro/S10/S12/S12pro and More, Pumping Pump, 24mm Flange/Shield, Reduce Tunnel to Correct Size - Image 5](https://m.media-amazon.com/images/I/71FM9jRJYKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***A on August 18, 2025*

Perfect for my Spectra S2 and Elvie Stride. Multiple sizes made it easy to find the perfect fit. Holds up well over dozens of uses and sanitization.

### ⭐⭐⭐⭐⭐ Review
*by E***S on December 4, 2025*

Perfecto con mi medela swing.

### ⭐⭐⭐⭐⭐ Review
*by J***. on December 30, 2025*

these arrived today. I am so excited about how high-quality the nipple measuring tool is. It will definitely be better to use than the ones that come with your breast pumps. I think these phalanges will last a long time

## 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

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-22*