{"product_id":"pdfans-duckbill-valve-silicone-diaphragm-6pcs-for-mommed-tsrete-s21-s18-s19","title":"PDFans Duckbill Valve \u0026 Silicone Diaphragm 6pcs for MomMed\/TSRETE S21\/S18\/S19","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eIf you rely on a wearable breast pump, keeping seals, valves, and diaphragms in good condition matters for consistent suction and smooth operation. This PDFans replacement bundle brings fresh components to your routine: 4 duckbill valves and 2 silicone diaphragms, plus a compact storage case for convenient on-the-go hygiene. Replacing these parts every 4–12 weeks may help maintain steady suction and keep your pump performing at its best.\u003c\/p\u003e\n\u003ch3\u003eWhat’s in the bundle\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4 x duckbill valves\u003c\/li\u003e\n  \u003cli\u003e2 x silicone diaphragms\u003c\/li\u003e\n  \u003cli\u003eStorage case for clean organization while traveling or between uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBackflow prevention: The duckbill valve helps reduce backflow and keeps milk from leaking into the pump.\u003c\/li\u003e\n  \u003cli\u003eFood-grade, BPA-free silicone: Soft, odorless material that’s safe for frequent contact during pumping.\u003c\/li\u003e\n  \u003cli\u003eBroad compatibility: Designed to work with a range of wearable pumps, including MomMed S21, TSRETE S21, S18, MISSAA S18, Zooawa, Mumeasy, Mumgaroo, and more.\u003c\/li\u003e\n  \u003cli\u003eEasy to clean: Sanitize with steam, boiling water, or microwave-steam bags after use, at about 100°C (212°F).\u003c\/li\u003e\n  \u003cli\u003eHygienic storage: The included case helps keep parts organized and clean between sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUsage and care\u003c\/h3\u003e\n\u003cp\u003eInspect parts for deformation or discoloration; replace when needed to maintain performance. If you’re unsure about compatibility, you can send a photo of your pump model, and we’ll respond with guidance within 24 hours.\u003c\/p\u003e\n\u003ch3\u003ePractical uses\u003c\/h3\u003e\n\u003cp\u003eWhether you’re pumping at home, at work, or on the go, a fresh valve and diaphragm set can support a smoother experience. The soft silicone and careful design aim to provide a comfortable seal while you express.\u003c\/p\u003e\n\u003ch3\u003eGift-ready option\u003c\/h3\u003e\n\u003cp\u003eThis replacement set doubles as a thoughtful gift for fellow caregivers who use wearable pumps, helping them keep their routine simple and clean.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these parts compatible with my wearable breast pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These parts fit several popular brands, including MomMed S21\/S18\/S19. If unsure, send a photo of your pump, and we’ll help confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the duckbill valve and silicone diaphragm?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 4–12 weeks or if you notice deformation or yellowing to help maintain optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PDFans","offers":[{"title":"Default Title","offer_id":52792503730513,"sku":"B0CD7P7VL6","price":23.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/7982\/9329\/files\/pdfans-duckbill-valve-silicone-diaphragm-assembly-1.jpg?v=1768055990","url":"https:\/\/mythriftymom.co.uk\/products\/pdfans-duckbill-valve-silicone-diaphragm-6pcs-for-mommed-tsrete-s21-s18-s19","provider":"mythriftymom","version":"1.0","type":"link"}