--- product_id: 749717550 title: "Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts" brand: "gotocut" price: "$50.69" currency: USD in_stock: true reviews_count: 5 category: "Gotocut" url: https://www.desertcart.us/products/749717550-duckbill-valve-silicone-diaphragm-compatible-with-mommed-s21-wearable-breast store_origin: US region: United States of America --- # Strong suction matching original pump 6-piece replacement set (4 valves + 2 diaphragms) BPA-free food-grade silicone Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts **Brand:** gotocut **Price:** $50.69 **Availability:** βœ… In Stock ## Summary > 🍼 Keep your pump performing like new β€” because every drop counts! ## Quick Answers - **What is this?** Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts by gotocut - **How much does it cost?** $50.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/749717550-duckbill-valve-silicone-diaphragm-compatible-with-mommed-s21-wearable-breast) ## Best For - gotocut enthusiasts ## Why This Product - Trusted gotocut brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Premium Safety:** Crafted from BPA-free, food-grade silicone to keep your baby’s milk pure and safe - β€’ **Optimized Performance:** Engineered to maintain strong suction and smooth milk flow, saving every precious drop - β€’ **Effortless Maintenance:** Dishwasher safe and easy to clean, ensuring hygienic pumping every time - β€’ **Seamless Compatibility:** Perfectly fits MomMed S21 & similar wearable pumps for hassle-free replacement - β€’ **Smart Replacement Cycle:** Recommended swap every 3 months to sustain peak comfort and efficiency ## Overview This 6-piece replacement set includes 4 duckbill valves and 2 silicone diaphragms, designed specifically for MomMed S21 wearable breast pumps and compatible models. Made from BPA-free, food-grade silicone, these parts ensure strong suction and smooth milk flow, maintaining pump efficiency and hygiene. Dishwasher safe and easy to clean, they should be replaced every 3 months for optimal performance and comfort. ## Description Duckbill Valve & Silicone Diaphragm, Compatible with MomMed S21/S18,TSRETE S21, MISSAA S18/S21,Mumgaroo S21,NICEGREEN Life S21 Wearable Breast Pump Parts General Replacement Accessories (6 Pieces Set)Tags: mommed pump parts,mommed wearable breast pump parts,mommed s21 pump parts,mommed s21 replacement parts Review: Mommed - Works perfectly with my MomMed S21 pumps Review: Good! - Bought these and was hoping they were good quality and they were! Fit perfect and didn't leave gaps. ## Features - Replace Parts for MomMed S21 Breast Pump: 4pack duckbill valve & 2pack silicone diaphragm S21 pump accessories, Compatiable with MomMed S21 double wearable breast pump - Same Strong Suction As the Original: These S21 replacement parts match the original design for strong suction and smooth milk flow, ensuring a efficient pumping session that saves every drop milk - Safe & BPA-free: Made of food-grade silicone material, you can feel completely at ease with your baby's milk - Easy to Clean: wash S21 pump parts after each use with warm soapy water and rinse well - How Often to Replace: If you pump often, replace parts every 3 months or when you notice reduced suction for better comfort and performance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJXZBP6R | | Best Sellers Rank | 90,849 in Baby Products ( See Top 100 in Baby Products ) 3,253 in Breastfeeding (Baby Products) | | Brand | Gotocut | | Brand Name | Gotocut | | Colour | 6 Pieces for S21 S23 | | Country Of Origin | China | | Customer Reviews | 4.2 out of 5 stars 89 Reviews | | Included Components | 2 Diaphragm, 4 Valve | | Included components | 2 Diaphragm, 4 Valve | | Is the item dishwasher safe? | Yes | | Manufacturer | Gotocut | | Manufacturer Part Number | 6 | | Material | Silicone | | Material Type | Silicone | | Material Type Free | BPA Free | | Model Number | 6 | | Number of Items | 6 | | Number of items | 6 | | Special Features | Compatible with Mommed S21, Dishwasher Safe | | Special feature | Compatible with Mommed S21, Dishwasher Safe | | UPC | 768510410879 | | Unit Count | 1.00 count | ## Product Details - **Brand:** Gotocut - **Colour:** 12 Pieces for S9pro S12pro - **Included components:** 4 Diaphragms, 8 Duckbill Valves - **Item weight:** 0.15 Pounds - **Manufacturer:** Gotocut - **Material:** Silicone - **Material Type Free:** BPA Free - **Number of items:** 12 - **Special feature:** Compatible with Momcozy S9 Pro/S12 Pro - **Unit count:** 1.0 count ## Images ![Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts - Image 1](https://m.media-amazon.com/images/I/51M49pF-htL.jpg) ![Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts - Image 2](https://m.media-amazon.com/images/I/61fdYfXPZ+L.jpg) ![Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts - Image 3](https://m.media-amazon.com/images/I/619X2lIxM3L.jpg) ![Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts - Image 4](https://m.media-amazon.com/images/I/61oJhnYvMkL.jpg) ![Duckbill Valve Silicone Diaphragm Compatible with Mommed S21 Wearable Breast Pump Replacement Parts - Image 5](https://m.media-amazon.com/images/I/61233oUXIsL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Mommed *by J***E on 7 March 2026* Works perfectly with my MomMed S21 pumps ### ⭐⭐⭐⭐⭐ Good! *by D***N on 24 February 2025* Bought these and was hoping they were good quality and they were! Fit perfect and didn't leave gaps. ### ⭐ Broken before ever using *by M***H on 9 October 2025* 2 out of 3 sets didn’t work. I tested them when I opened the box and water flows through very easily on 2 out of the 3 sets. Don’t waste your money. Buy the name brand ones. --- ## 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.us/products/749717550-duckbill-valve-silicone-diaphragm-compatible-with-mommed-s21-wearable-breast](https://www.desertcart.us/products/749717550-duckbill-valve-silicone-diaphragm-compatible-with-mommed-s21-wearable-breast) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-16*