{"product_id":"eufy-security-valvulas-duckbill-pack-de-4-para-e10-e20-s1-s1-pro-silicona-alimentaria-mantiene-succion-e-higiene","title":"eufy Security replacement duckbill valves \u0026 silicone flange inserts for E10\/E20\/S1\/S1 Pro - 4‑pack, food‑grade silicone for restor","description":"\u003cp\u003e\u003cstrong\u003eReplacement duckbill valves and silicone flange inserts designed for eufy E10, E20, S1 and S1 Pro breast pumps for reliable suction and comfortable sessions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 4-pack of eufy duckbill valves and silicone flange inserts gives you a set of safe, food-grade parts to restore or customize your pump’s performance. Each piece is engineered to mate precisely with eufy E10, E20, S1 and S1 Pro models, making it simple to swap worn components and maintain steady suction. The soft silicone helps preserve comfort while pumping, and a recommended replacement cadence keeps your pump operating at its best.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these valves improve my pump’s performance?\u003c\/h3\u003e\n\u003cp\u003eWorn or stretched valves reduce suction and can make pumping less efficient. Replacing valves with fresh duckbill silicone restores the one-way airflow seal that breast pumps require, improving suction consistency and milk expression.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores original suction by resealing the air pathway.\u003c\/li\u003e\n  \u003cli\u003eOne-way duckbill design prevents backflow to the pump.\u003c\/li\u003e\n  \u003cli\u003eSoft silicone conforms to flange shape for better contact.\u003c\/li\u003e\n  \u003cli\u003eSold as a 4-pack to replace multiple valves or keep spares.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these compatible with my eufy model?\u003c\/h3\u003e\n\u003cp\u003eYes — these duckbill valves and flange inserts are explicitly compatible with the eufy Breast Pump E10, E20, S1 and S1 Pro. They are shaped and sized to fit the factory components so installation is straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for E10, E20, S1 and S1 Pro models only.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit parts avoid adapters or modification.\u003c\/li\u003e\n  \u003cli\u003eClear sizing guide helps you choose correct flange inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the silicone flange inserts and valves?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on individual use, but typical lifespan guidance helps keep performance consistent. eufy recommends replacing flange inserts every one to two months and the duckbill valves roughly every three months or sooner if you notice reduced suction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlange inserts: replace every 1–2 months as comfort needs change.\u003c\/li\u003e\n  \u003cli\u003eDuckbill valves: typically last around three months under regular use.\u003c\/li\u003e\n  \u003cli\u003eChange parts sooner if suction weakens or silicone shows wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and warranty cover these parts?\u003c\/h3\u003e\n\u003cp\u003eThe valves and inserts are molded from food-grade, soft silicone to be gentle on skin and safe for pump use. eufy backs these accessories with a 90-day limited manufacturer’s warranty to cover defects in materials and workmanship.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade from food-grade soft silicone for safety and flexibility.\u003c\/li\u003e\n  \u003cli\u003eCovered by a 90-day limited manufacturer warranty.\u003c\/li\u003e\n  \u003cli\u003eFollow cleaning and replacement guidelines to maintain hygiene.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Parents who own eufy E10, E20, S1 or S1 Pro pumps and want to maintain peak performance or customize fit and comfort. This 4-pack suits frequent pumpers, caretakers managing multiple pumping sessions, or anyone who prefers to keep fresh valve spares on hand for reliability and hygiene. Use the included sizing guidance to pick the correct flange inserts for changing nipple size during different breastfeeding stages and replace parts promptly when you notice decreased suction.\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: Will these parts fit my eufy E10 or S1 Pro?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These duckbill valves and flange inserts are made to fit eufy E10, E20, S1 and S1 Pro models directly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the valves and inserts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace flange inserts every 1–2 months and duckbill valves about every 3 months or sooner if suction drops.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"eufy Security","offers":[{"title":"Default Title","offer_id":54590547329363,"sku":"B0D72VC38X","price":36.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/eufy-vista-frontal-pack-de-4.jpg?v=1786741361","url":"https:\/\/findsworth.co.uk\/products\/eufy-security-valvulas-duckbill-pack-de-4-para-e10-e20-s1-s1-pro-silicona-alimentaria-mantiene-succion-e-higiene","provider":"Findsworth","version":"1.0","type":"link"}