--- product_id: 288171874 title: "O-Ring and Membrane for Medela Harmony" brand: "maymom" price: "£13.81" currency: GBP in_stock: true reviews_count: 5 category: "Maymom" url: https://www.desertcart.co.uk/products/288171874-o-ring-and-membrane-for-medela-harmony store_origin: GB region: United Kingdom --- # 2x durable silicone membranes 4x precision O-rings BPA & DEHP free safety O-Ring and Membrane for Medela Harmony **Brand:** maymom **Price:** £13.81 **Availability:** ✅ In Stock ## Summary > 🔧 Keep your pump flawless, keep your flow unstoppable! ## Quick Answers - **What is this?** O-Ring and Membrane for Medela Harmony by maymom - **How much does it cost?** £13.81 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/288171874-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:** Rated 4.7 stars by 1,573 parents who refuse to compromise on pump efficiency. - • **Lightweight & Compact:** At just 5.67g and pocket-sized, these parts are easy to store and replace on the go. - • **Complete Replacement Kit:** Includes 4 O-rings and 2 membranes—everything you need to avoid downtime. - • **Seamless Pump Performance:** Restore your Medela Harmony’s suction power with perfect-fit O-rings and membranes. - • **Health-Conscious Materials:** Crafted from BPA and DEHP-free silicone for worry-free, safe pumping. ## Overview The Maymom O-Ring and Membrane set is a premium replacement kit designed specifically for the Medela Harmony breast pump. Featuring 4 silicone O-rings and 2 membranes made from BPA and DEHP-free materials, this kit ensures safe, hygienic, and efficient pumping. Lightweight and compact, it’s the essential maintenance upgrade trusted by thousands of parents to restore optimal suction and prolong pump life. ## 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: Era lo que estaba buscando ya que se me desgasto la goma de mi sacaleches manual (Medela) y ha funcionado perfectamente como si fuera nuevo asi que muy contenta con el resultado. Llego super rapido y en muy buenas condiciones. Review: 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. ## 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 | | ASIN | B016Y51X5U | | Additional Features | Bpa Free | | Best Sellers Rank | #6,294 in Baby Products ( See Top 100 in Baby Products ) #42 in Breast Pump Parts | | Brand Name | Maymom | | Color | White | | Customer Reviews | 4.7 4.7 out of 5 stars (1,585) | | Customer reviews | 4.7 4.7 out of 5 stars (1,585) | | Global Trade Identification Number | 00760488883082 | | Is Discontinued By Manufacturer | No | | Is the item dishwasher safe? | No | | Item Weight | 0.2 Ounces | | Item model number | M022-4O2M | | Manufacturer | Maymom | | Manufacturer | Maymom | | Manufacturer Part Number | M022-4O2M | | Material Type | Silicone | | Material Type Free | BPA Free | | Model Name | Maymom O-Ring and Membrane for Medela Harmony | | Model Number | M022-4O2M | | Number of Items | 1 | | Operation Mode | Manual | | Product Dimensions | 7.5 x 5 x 0.4 cm; 5.67 g | | Product Style | SD253 | | Size | One Size | | UPC | 760488883082 | | Unit Count | 1 Count | ## Product Details - **Brand:** Maymom - **Material:** Silicone - **Material type free:** BPA Free - **Operation mode:** Manual - **Special features:** Bpa Free ## Images ![O-Ring and Membrane for Medela Harmony - Image 1](https://m.media-amazon.com/images/I/51lihDdsNSL.jpg) ## Available Options This product comes in different **Flavor** options. ## 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 ### ⭐⭐⭐⭐⭐ Review *by P***C on 5 May 2026* Era lo que estaba buscando ya que se me desgasto la goma de mi sacaleches manual (Medela) y ha funcionado perfectamente como si fuera nuevo asi que muy contenta con el resultado. Llego super rapido y en muy buenas condiciones. ### ⭐⭐⭐⭐⭐ Review *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. ### ⭐⭐⭐⭐⭐ Review *by M***K on 18 April 2025* Helpful. ## 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.co.uk/products/288171874-o-ring-and-membrane-for-medela-harmony](https://www.desertcart.co.uk/products/288171874-o-ring-and-membrane-for-medela-harmony) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-24*