---
product_id: 288171874
title: "Maymom O-Ring and Membrane for Medela Harmony"
brand: "maymom"
price: "228 Lei"
currency: RON
in_stock: false
reviews_count: 5
category: "Maymom"
url: https://www.desertcart.ro/products/288171874-maymom-o-ring-and-membrane-for-medela-harmony
store_origin: RO
region: Romania
---

# 4x O-rings for seamless replacement 2x durable membranes included BPA & DEHP-free safe silicone Maymom O-Ring and Membrane for Medela Harmony

**Brand:** maymom
**Price:** 228 Lei
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Keep your pump flawless, because every drop counts!

## Quick Answers

- **What is this?** Maymom O-Ring and Membrane for Medela Harmony by maymom
- **How much does it cost?** 228 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/288171874-maymom-o-ring-and-membrane-for-medela-harmony)

## 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

- • **Trusted by Thousands:** Join over 1,500 happy parents who rate this kit 4.7 stars for reliability and quality.
- • **Compact & Lightweight:** Ultra-slim 0.4 cm height and featherlight 0.2 oz design for easy storage and handling.
- • **Health-First Materials:** Crafted from BPA and DEHP-free silicone to ensure safety for you and your baby.
- • **Complete Replacement Kit:** Everything you need in one pack—4 O-rings plus 2 membranes for hassle-free upkeep.
- • **Effortless Pump Maintenance:** Keep your Medela Harmony running like new with 4 precision O-rings and 2 resilient membranes.

## Overview

The Maymom O-Ring and Membrane Replacement Kit for Medela Harmony includes 4 silicone O-rings and 2 membranes made from BPA and DEHP-free materials. Designed for manual operation, this compact and lightweight set ensures safe, hygienic, and efficient breast pump performance, highly rated by thousands of parents.

## Description

Product Description Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone. Set Contains: 4x O-ring & 2x Membrane

Review: Brilliant - Excellent replacement parts
Review: Perfect - Perfect!

## Features

- Replacement O-rings for your Medela Harmony pump plus two membranes
- Made from BPA free and DEHP-free material
- Contains O-rings x4 and Membranes x2
- Made with Silicone

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B016Y51X5U |
| Additional Features | Bpa Free |
| Best Sellers Rank | #14,953 in Baby Products ( See Top 100 in Baby Products ) #93 in Breast Pump Parts |
| Brand | Maymom |
| Brand Name | Maymom |
| Color | White |
| Customer Reviews | 4.7 out of 5 stars 1,511 Reviews |
| Global Trade Identification Number | 00760488883082 |
| Is the item dishwasher safe? | No |
| Item Weight | 0.2 Ounces |
| Item height | 0.4 centimeters |
| Manufacturer | Maymom |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Material type free | BPA Free |
| Model Name | Maymom O-Ring and Membrane for Medela Harmony |
| Number of Items | 1 |
| Operation Mode | Manual |
| Operation mode | Manual |
| Product Style | SD253 |
| Size | One Size |
| Special features | Bpa Free |
| UPC | 760488883082 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Maymom
- **Operation mode:** Manual
- **Special features:** Bpa Free
- **Material:** Silicone
- **Material type free:** BPA Free

## Images

![Maymom O-Ring and Membrane for Medela Harmony - Image 1](https://m.media-amazon.com/images/I/41+k4vJHohL.jpg)
![Maymom O-Ring and Membrane for Medela Harmony - Image 2](https://m.media-amazon.com/images/I/41ACIKHIknL.jpg)
![Maymom O-Ring and Membrane for Medela Harmony - Image 3](https://m.media-amazon.com/images/I/41FRkAl+EOL.jpg)
![Maymom O-Ring and Membrane for Medela Harmony - Image 4](https://m.media-amazon.com/images/I/41YRDwaaq5L.jpg)
![Maymom O-Ring and Membrane for Medela Harmony - Image 5](https://m.media-amazon.com/images/I/41tAn+xHkYL.jpg)

## Questions & Answers

**Q: I don't need the membranes (I have 10+ spares), can I just get the o-rings?**
A: sorry.  that is the only package we sell.

**Q: Is this made by Medela?  Does packaging say Medela?**
A: No, it doesn't say Medela.

**Q: Where do the o rings go?**
A: They go on to the pump handle diaphragm stem. If you ever lose suction it's most likely because one of these came off. Search for "medela hand pump o ring" images in your web browser to see a visual

**Q: What are the dimensions of the O-rings?**
A: I don't know the exact measurements of the O-rings but I do know that if you are trying to replace a part for a Medela manual breast pump if it's perfectly.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Brilliant
*by C***H on 29 October 2025*

Excellent replacement parts

### ⭐⭐⭐⭐⭐ Perfect
*by M***V on 15 January 2026*

Perfect!

### ⭐⭐⭐⭐⭐ Wieder wie neu
*by C***R on 30 April 2025*

Super gut. Meine Pumpe funktioniert wieder. Die Saugkraft ließ extrem nach und dank den neuem O-Ring funktioniert alles wieder und ich muss mir keine neue kaufen.

## Frequently Bought Together

- Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings, 2 Membranes by Maymom
- Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk
- [6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White

---

## 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.ro/products/288171874-maymom-o-ring-and-membrane-for-medela-harmony](https://www.desertcart.ro/products/288171874-maymom-o-ring-and-membrane-for-medela-harmony)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-23*