---
product_id: 392877521
title: "17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC"
brand: "lozaeve"
price: "$U41"
currency: UYU
in_stock: true
reviews_count: 5
url: https://www.desertcart.uy/products/392877521-17mm-silicone-flange-insert-reduce-24mm-elastic-tunnel-down-to
store_origin: UY
region: Uruguay
---

# Reduces 24mm tunnel to 17mm Compatible with 14-16mm nipples BPA-free durable silicone 17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC

**Brand:** lozaeve
**Price:** $U41
**Availability:** ✅ In Stock

## Summary

> 👩‍🍼 Perfect fit, maximum flow — because every drop counts!

## Quick Answers

- **What is this?** 17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC by lozaeve
- **How much does it cost?** $U41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/392877521-17mm-silicone-flange-insert-reduce-24mm-elastic-tunnel-down-to)

## Best For

- lozaeve enthusiasts

## Why This Product

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

## Key Features

- • **Handsfree Bra Friendly:** Maintains compatibility with most handsfree bras, empowering multitasking moms on the go.
- • **Universal Compatibility:** Works flawlessly with top brands like Spectra, Medela, Willow, Momcozy, and Freemie for versatile use.
- • **Comfort Meets Efficiency:** Soft, BPA-free silicone ensures irritation-free pumping sessions while maximizing milk expression.
- • **Portable & Easy to Clean:** Lightweight, dishwasher-safe design keeps your pumping routine hygienic and hassle-free.
- • **Precision Fit for Small Nipples:** Seamlessly reduces large 24mm shields to a comfortable 17mm tunnel for optimal milk flow.

## Overview

The LOZAEVE 17mm Silicone Flange Insert expertly reduces standard 24mm breast pump tunnels to 17mm, catering to mothers with smaller nipples for enhanced comfort and milk output. Made from BPA-free silicone, it’s compatible with leading breast pump brands including Spectra, Medela, Willow, and more. Lightweight, portable, and dishwasher safe, this insert integrates seamlessly with handsfree bras, making pumping efficient and irritation-free.

## Description

This product has a variety of models, which can change the size of the "breast milk channel" on the cover of the breast pump, so as to be suitable for mothers with different sizes, help to improve the breast feeding efficiency and increase the pumping capacity, and make mothers more comfortable in the process of breast feeding.

Review: Not worth it.
Review: This WILL fit a Bellababy pump

## Features

- LOZAEVE 17mm inserts to compatible with Willow / Momcozy / TSRETE / Rainyb / NCVI / Bellababy MiniO, Pocket / Maymom / Spectra S1, S2 / Medela (PersonalFit Flex, Harmony, Freestyle, Swing Maxi, Sonata, and Symphony) 24mm breast shields. It will reduce the 24mm shield tunnel down to 17mm. Also compatible with some 25mm cups (Freemie).
- Seamless Compatibility For Optimal Milk Expression: Suitable for diameter 14-16mm(after a pumping session), or measure the circumference of base about 37.68 - 43.96mm before a pumping session.
- Great solution for small-nippled mothers using large breast shields, Proper tunnel fit is essential for comfort and efficient milk output.
- BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid trauma or irritation.
- Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09M6XFP2K |
| Additional Features | Lightweight, Portable |
| Best Sellers Rank | #67,963 in Baby Products ( See Top 100 in Baby Products ) #429 in Breast Pump Parts |
| Brand | LOZAEVE |
| Brand Name | LOZAEVE |
| Color | White |
| Customer Reviews | 4.1 out of 5 stars 57 Reviews |
| Is the item dishwasher safe? | Yes |
| Manufacturer | LOZAEVE |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Material type free | BPA Free |
| Number of Items | 2 |
| Power Source | Manual |
| Power source | Manual |
| Product Style | Freestyle |
| Size | 2 Count (Pack of 1) |
| Special features | Lightweight, Portable |
| UPC | 798008037783 |
| Unit Count | 2.00 Count |

## Product Details

- **Brand:** LOZAEVE
- **Material:** Silicone
- **Material type free:** BPA Free
- **Power source:** Manual
- **Special features:** Lightweight, Portable

## Images

![17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC - Image 1](https://m.media-amazon.com/images/I/41NIEgI-YaL.jpg)
![17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC - Image 2](https://m.media-amazon.com/images/I/614bO03TduL.jpg)
![17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC - Image 3](https://m.media-amazon.com/images/I/61KrZWEP4HL.jpg)
![17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC - Image 4](https://m.media-amazon.com/images/I/61L1dsWEAOL.jpg)
![17mm Silicone Flange Insert | Reduce 24mm Elastic Tunnel Down to 17mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC - Image 5](https://m.media-amazon.com/images/I/61L61GsPOeL.jpg)

## Customer Reviews

### ⭐⭐⭐ Not worth it.
*by E***. on 6 July 2025*



### ⭐⭐⭐⭐ This WILL fit a Bellababy pump
*by K***. on 11 August 2022*



### ⭐⭐ Ehhh
*by K***Z on 4 April 2023*



## Frequently Bought Together

- LOZAEVE 17mm Silicone Flange Insert, Reduce 24mm Flange Tunnel Down to 17mm, Medela, for Spectra, Momcozy S9 S10 S12 Pro, Paruu P10 R12 P3, kmaier, TSRETE, MomMed, NaNaLazy, NIRGU, Onlyeah, MomWills
- MAM Easy Start Anti-Colic Baby Bottles, Extra Slow Flow, Breastfeeding-Like Silicone Nipple Bottle, Reduces Colic, Gas, & Reflux, Easy-to-Clean, BPA-Free, Vented Baby Bottles for Newborns, 0-3 Months

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-17*