{"product_id":"milkflow-21mm-flange-duckbill-valve-2-pack-for-spectra-s1-s2-9-plus-replacement-pump-parts","title":"MilkFlow 21mm Flange \u0026 Duckbill Valve 2-Pack for Spectra S1\/S2\/9 Plus – Replacement Pump Parts","description":"\u003ch2\u003eUpgrade your pumping routine with MilkFlow\u003c\/h2\u003e\u003cp\u003eDesigned as a practical replacement option, the MilkFlow 21mm flange and duckbill valve 2-pack supports daily pumping with compatible Spectra models, including S1, S2, 9 Plus, and Synergy Gold. This set brings together two 21mm breast shields and two reinforced duckbill valves, crafted to deliver reliable performance session after session without relying on original Spectra parts.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 × 21mm breast shields\u003c\/li\u003e\n\u003cli\u003e2 × reinforced duckbill valves with easy-grip bases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility and use\u003c\/h3\u003e\u003cp\u003eThese parts are designed to fit Spectra S1, S2, 9 Plus, and Synergy Gold pumps and work with Spectra wide-neck bottles as well as most wide-mouth bottles. This makes them a flexible option for households with multiple bottle types.\u003c\/p\u003e\u003ch3\u003eDesign and durability\u003c\/h3\u003e\u003cp\u003eThe duckbill valves are reinforced for longer life and daily use, while the easy-grip base supports quick, tool-free replacements between pumping sessions.\u003c\/p\u003e\u003ch3\u003eMaterials and safety\u003c\/h3\u003e\u003cp\u003eAll components are 100% food-grade and BPA-free, aligning with standard food-safety expectations for pump parts used with feeds and bottles.\u003c\/p\u003e\u003ch3\u003eCleaning and care\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDishwasher safe on the top rack\u003c\/li\u003e\n\u003cli\u003eBoiling safe\u003c\/li\u003e\n\u003cli\u003eSteam safe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSize options\u003c\/h3\u003e\u003cp\u003eWhile this kit centers on the 21mm shields, MilkFlow offers parts in a broad size range (13–30mm) to help achieve a comfortable fit across different users and bottle types.\u003c\/p\u003e\u003cp\u003eNote: This product is an independent replacement set and is not an original Spectra accessory. It aims to provide a practical, compatible alternative for those seeking reliably sourced parts for routine pumping.\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 MilkFlow 21mm flange and duckbill valve compatible with Spectra S1\/S2\/9 Plus?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this 2-pack is designed as a replacement for Spectra S1\/S2\/9 Plus pumps (not original Spectra accessories).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the set dishwasher and sterilization friendly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the parts are top-rack dishwasher-safe and suitable for boiling and steam sterilization.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MilkFlow","offers":[{"title":"Default Title","offer_id":52789790015825,"sku":"B0FCSWCX3N","price":25.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/7982\/9329\/files\/milkflow-21mm-flange-duckbill-valve-2pack.jpg?v=1768017572","url":"https:\/\/mythriftymom.co.uk\/products\/milkflow-21mm-flange-duckbill-valve-2-pack-for-spectra-s1-s2-9-plus-replacement-pump-parts","provider":"mythriftymom","version":"1.0","type":"link"}