--- product_id: 588029337 title: "Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part" brand: "maymom" price: "€ 29.67" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.gr/products/588029337-maymom-silicone-membrane-diaphragm-designed-for-spectra-s1-s2-9 store_origin: GR region: Greece --- # FDA & EU compliant safe silicone Reusable & easy sterilization Closed system backflow protection Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part **Brand:** maymom **Price:** € 29.67 **Availability:** βœ… In Stock ## Summary > 🍼 Pump smarter, not harder β€” protect your flow with Maymom! ## Quick Answers - **What is this?** Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part by maymom - **How much does it cost?** € 29.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/588029337-maymom-silicone-membrane-diaphragm-designed-for-spectra-s1-s2-9) ## 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 - β€’ **Retail-Ready Quality:** Factory-sealed packaging guarantees fresh, lab-tested quality for peace of mind. - β€’ **Ultimate Pump Hygiene:** Closed system design prevents milk backflow, ensuring a clean and safe pumping experience. - β€’ **Universal Compatibility:** Fits Spectra S1, S2, 9 Plus, and Maymom backflow protectors with short, medium, and long stems. - β€’ **Effortless Sterilization:** Boil or steam clean to maintain peak hygiene without compromising material integrity. - β€’ **Premium Silicone Durability:** Crafted from FDA and EU-approved silicone for superior strength and long-lasting performance. ## Overview The Maymom Silicone Membrane Diaphragm is a high-quality, FDA and EU-compliant backflow protector designed for Spectra S1, S2, 9 Plus, and Maymom breastpump models. Featuring a closed system to prevent milk contamination, it offers durable silicone construction and easy sterilization, packaged fresh and ready to optimize your pumping hygiene and performance. ## Description Maymom Valve Membrane Set Maymom Valve Membrane Set Maymom Duckbill Valve Maymom Pump Part Set Maymom Backflow Protector Maymom Tubing Maymom Bottle Maymom always cares about mothers' needs on the path of breastfeeding. For years, we hear mothers' voice for customized, comfortable and easy-to-use tools. Maymom makes a wide range of aftermarket pump parts including flange, tubing, duckbill valve, backflow protector, collection bottle, milk storage bag adapter, and various kinds of adapters to bridge different systems of name brand breastpumps. ## Features - After market silicone membrane Maymom backflow protector (both short and long stem) and compatible with Spectra S1/S2/ 9 Plus backflow protectors. - Change the silicone diaphragms regularly to optimize the performance of your breastpump - Stronger material for improved performance - It does not fit the old version of spectra backflow protector; see photo for details. - Comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by manufacturer Maymom. Can be cleaned with boiling water or water steam. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CKY2NF1N | | Best Sellers Rank | #6 in Lab Pump Accessories | | Date First Available | October 12, 2023 | | Item Model Number | XP024-8M.b | | Manufacturer | Maymom | | Package Dimensions | 8.07 x 4.88 x 0.59 inches; 1.76 ounces | ## Product Details - **Brand:** Maymom - **Color:** 8 Pc Blue - **Material:** Silicone - **Size:** 8 Count (Pack of 1) - **Special Feature:** Closed System ## Images ![Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part - Image 1](https://m.media-amazon.com/images/I/71zJVJcqxJL.jpg) ![Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part - Image 2](https://m.media-amazon.com/images/I/61YZjvWg+0L.jpg) ![Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part - Image 3](https://m.media-amazon.com/images/I/51VRsl7PZhL.jpg) ![Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part - Image 4](https://m.media-amazon.com/images/I/41UFSDBeASL.jpg) ![Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part - Image 5](https://m.media-amazon.com/images/I/41vB94--yeL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works just as well as brand name *by on Reviewed in the United States August 18, 2026* Much cheaper than the Spectra name brand parts and work just as well with my Spectra S1 pump. The cute color is an added bonus. ### ⭐⭐⭐⭐⭐ Great Affordable Alternative to Brand Name Parts *by on Reviewed in the United States March 30, 2026* These replacement duckbill valves are great. They were delivered quickly and are a very cost-effective option compared to the brand name parts.They function just the same as far as I can tell in terms of output, so I have not noticed any difference at all when using them.I also really like that they come in different colors. It makes it easy to keep track of which parts have been replaced and which ones still need to be, which is super helpful when rotating pieces. Overall, a great value and I would definitely purchase again. ### ⭐⭐⭐⭐⭐ Works well with Spectra S1 *by on Reviewed in the United States July 1, 2025* When the membrane diaphragms that came with my Spectra S1 pump just weren’t adequately doing the job anymore, I found these! After reading through the reviews, I decided these would best fit my needs. I like that they feel a little thicker than the Spectra ones, so I’m hoping they may last longer. I also like that they have different colors! I went with the pink to match my duckbills from Legendairy. I’m very pleased with these and will order again in the future! --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/588029337-maymom-silicone-membrane-diaphragm-designed-for-spectra-s1-s2-9](https://www.desertcart.gr/products/588029337-maymom-silicone-membrane-diaphragm-designed-for-spectra-s1-s2-9) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-01*