---
product_id: 1614510
title: "21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom"
brand: "maymom"
price: "€ 34.32"
currency: EUR
in_stock: true
category: "Maymom"
url: https://www.desertcart.com.cy/products/1614510-21-mm-2xone-piece-small-breastshield-w-valve-and-membrane
store_origin: CY
region: Cyprus
---

# 21 mm precision fit BPA/DEHP-free & steam sterilizable FDA-registered medical device 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom

**Brand:** maymom
**Price:** € 34.32
**Availability:** ✅ In Stock

## Summary

> 👩‍🍼 Upgrade your pump game with precision and safety!

## Quick Answers

- **What is this?** 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom by maymom
- **How much does it cost?** € 34.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/1614510-21-mm-2xone-piece-small-breastshield-w-valve-and-membrane)

## Best For

- maymom enthusiasts

## Why This Product

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

## Key Features

- • **Hygienic & Safe:** FDA-registered and compliant with EU standards, crafted from BPA/DEHP-free materials for peace of mind.
- • **All-in-One Design:** One-piece flange and connector reduce assembly hassle and potential leaks, streamlining your pumping routine.
- • **Universal Compatibility:** Works seamlessly with almost all Medela pumps except select models, making it a versatile replacement accessory.
- • **Complete Replacement Kit:** Includes 2 breastshields, 2 valves, and 4 membranes—everything you need to maintain peak pump performance.
- • **Precision Fit for Comfort:** 21 mm one-piece breastshield designed for nipple diameters 19-20 mm post-pumping ensures optimal suction and comfort.

## Overview

The Maymom 21 mm one-piece breastshield replacement kit is a medically certified, BPA-free accessory compatible with most Medela breast pumps. Designed for mothers with 19-20 mm nipple diameters after pumping, it offers a hygienic, easy-to-use, and reliable solution to enhance comfort and efficiency during breastfeeding.

## Description

desertcart.com : 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom : Breast Shells : Baby

## Features

- Please print out a niple ruler from the photo and measure your niple diameters before making the purchase. One size will not fit all. Incl. 2x One-Piece Breastshield ( 21 mm, suitable for mothers with niple diameters 19-20 mm AFTER pumping) , 2 Valves, 4 Membranes; Compatible with all Medela pumps (Pump in style, Lactina, Symphony, Swing, Mini Electric) EXCEPT FreeStyle, Swing Maxi, Sonata, Pump in style with maxflow Pro Pro+, Harmony (the manual pump).
- US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;
- This is ONE-piece design meaning the bottle connector and the flange is ONE piece. If you are looking for the original kind of design (two-piece form), please look up ASIN B07WLZGYJP
- Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization. Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts
- Available in various sizes (13, 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 36 mm) for purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FK599DE |
| Best Sellers Rank | #14,170 in Baby ( See Top 100 in Baby ) #711 in Breastfeeding Supplies |
| Brand | Maymom |
| Brand Name | Maymom |
| Color | Non-detachable Clear |
| Customer Reviews | 4.4 out of 5 stars 6,768 Reviews |
| Included Components | Breast Flange |
| Item Weight | 1.28 ounces |
| Manufacturer | Maymom |
| Manufacturer Part Number | M012-sFV2Mx2 |
| Material | Plastic, Silicone |
| Material Type | Plastic, Silicone |
| Model Number | M001-2LF2V4M |
| Number of Items | 1 |
| Product Style | 21 mm |
| Size | 21 mm |
| UPC | 885155834591 738435627553 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Maymom
- **Color:** Non-detachable Clear
- **Included Components:** Breast Flange
- **Material:** Plastic, Silicone
- **Number of Items:** 1

## Images

![21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom - Image 1](https://m.media-amazon.com/images/I/61gkgGAcHZL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does it come with 2 sheilds**
A: Yes, there are 2 shields.

**Q: compatible with pump in style advanced?**
A: Yes, I'm using them with my pump in style advanced pump, actually, as I type this  Haha

**Q: Do the yellow Medela brand valves and Medela white membranes also fit this product?**
A: So far all of my Medela products have been fitting perfectly with these. Valves and membranes included!

**Q: Does it state anywhere on the breastshield that the size is 25mm? I use different sizes for each breast so I need to know which is which**
A: Yes it does! I use multiple sizes so I depend on that as well :)

## Frequently Bought Together

- 21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom
- Medela Breast Milk Collection and Storage Bottles, BPA Free, 6 Pack, 5 Ounces, Compatible with Medela Breast Pumps
- Replacement Tubing (1 Retail Pack of 2 Tubes) Compatible with Medela Pump in Style and New Pump in Style Advanced Breast Pump - 100% BPA Free (One Pack)

---

## 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.cy/products/1614510-21-mm-2xone-piece-small-breastshield-w-valve-and-membrane](https://www.desertcart.com.cy/products/1614510-21-mm-2xone-piece-small-breastshield-w-valve-and-membrane)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-10-09*