{"product_id":"4packs-21mm-full-breast-replacement-pump-parts-for-spectra-s1-s2","title":"4packs 21mm Full Breast Replacement Pump Parts for Spectra S1 S2","description":"\u003cp\u003eIn this review the 4packs 21mm full breast replacement pump parts kit is evaluated for parents who need reliable replacement components for double pumping. The kit's single biggest selling point is that it provides a full set of interchangeable parts so a parent can resume regular pumping without hunting for individual pieces. The reviewer found the kit especially useful as a ready spare set for Spectra S1, S2 and other compatible pumps, and recommends it for anyone who wants to avoid downtime when valves or flanges wear out.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 4-pack set:\u003c\/strong\u003e Four full sets of parts mean a user gets flanges, duckbill valves, backflow protectors, tubing, bottles and caps to support double pumping or to keep spares on hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad compatibility:\u003c\/strong\u003e The kit fits Spectra S1, Spectra S2, Spectra 9 Plus, Synergy Gold and several other popular pumps so it can replace worn parts across multiple machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood-grade silicone:\u003c\/strong\u003e Components are made of BPA-free silicone that can be sterilized by steam or boiling, offering safe contact for milk and skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded flange design:\u003c\/strong\u003e A soft rim with a longer, smoother tunnel aims to improve seal and comfort and to promote more efficient milk suction during pumping sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-proof bottle system:\u003c\/strong\u003e Each 180 ml bottle includes a screw ring and sealing disc plus a one-piece cap for direct pumping and easy storage or travel without transfers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe kit is for breastfeeding parents who use Spectra S1, S2 or compatible double pumps and want a full backup set of parts to avoid interruptions caused by wear or loss. It is also suited to those who travel or share pumping equipment and prefer having extra bottles and caps ready to go.\u003c\/p\u003e\n\u003cp\u003eThis is not an official original manufacturer accessory set; buyers who require branded OEM parts for warranty or service reasons should look for factory originals instead. Users who need custom flange sizes outside 21 mm should verify fit before purchasing.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete replacement kit covers all common consumable parts so double pumping can continue immediately after installation.\u003c\/li\u003e\n\u003cli\u003eMade from BPA-free, food-grade silicone and designed to be heat-sterilized for hygiene.\u003c\/li\u003e\n\u003cli\u003eLonger tubing and improved flange profile help reduce milk entering tubing and improve suction consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThese are third-party parts, not original manufacturer accessories, which may matter for some warranty or fit expectations.\u003c\/li\u003e\n\u003cli\u003eFlange size is 21 mm and may not suit users who require larger or smaller flange diameters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eIVARONAL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContents\u003c\/td\u003e\n\u003ctd\u003e4x flanges, 4x duckbill valves, 4x backflow protectors, 4x tubes, 4x bottles, 4x caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange size\u003c\/td\u003e\n\u003ctd\u003e21 mm (includes 13 mm flange mention)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottle capacity\u003c\/td\u003e\n\u003ctd\u003e180 ml per bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% food-grade silicone, BPA free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eSpectra S1\/S2\/9 Plus, Synergy Gold, Motif Luna, Cimilre, Ameda MYA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis IVARONAL 4-pack kit is a practical value buy for parents who rely on Spectra and compatible pumps and want a complete spare set to avoid interruption. It combines safe, sterilizable materials with an improved flange shape and leak-proof bottles, making it a cost-effective way to keep pumping routines on track as parts age.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these parts compatible with Spectra S1 and S2?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is designed to be compatible with Spectra S1, Spectra S2 and several other popular pump models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these parts be sterilized?\u003c\/strong\u003e\u003cbr\u003eYes, components are made from food-grade silicone and can be sanitized using steam or boiling water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the bottles allow direct pumping and storage?\u003c\/strong\u003e\u003cbr\u003eYes, each 180 ml bottle includes a screw ring, sealing disc and one-piece cap so you can pump directly into the bottle and store without transferring milk.\u003c\/p\u003e","brand":"IVARONAL","offers":[{"title":"Default Title","offer_id":48260037083355,"sku":"B0FC5ZGWPZ","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61RwHRfaf8L._AC_SL1500.jpg?v=1778316319","url":"https:\/\/gearmusthave.com\/products\/4packs-21mm-full-breast-replacement-pump-parts-for-spectra-s1-s2","provider":"GearMustHave","version":"1.0","type":"link"}