{"product_id":"mompmuir-21mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela-more","title":"Mompmuir 21mm Silicone Flange Inserts – Compatible with Elvie Stride, Lansinoh, Medela \u0026 More","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Mompmuir 21mm silicone flange inserts are designed to adapt a 24–25mm nipple tunnel to a narrower 21mm opening, helping you find a more comfortable fit during pumping sessions. Each pack includes two inserts and is built to work with a wide range of pumps, so you can maintain compatibility with your existing equipment while exploring a smaller, gentler tunnel size.\u003c\/p\u003e\n\u003ch3\u003eSized for a Comfortable Fit\u003c\/h3\u003e\n\u003cp\u003eBefore you pump, measure the nipple base to help choose the right size. A 17–18mm diameter (approximately 53.38–56.52mm circumference) is a common reference point for this 21mm insert. This size option is part of a broader family that includes 15–22mm variants, giving you flexibility as your needs change.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 inserts per pack in the 21mm size\u003c\/li\u003e\n  \u003cli\u003eWidely compatible with major brands and pump families\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign and Performance\u003c\/h3\u003e\n\u003cp\u003eThese are second-generation flange inserts with a two-level taper designed to promote milk flow without blocking, while preserving the suction of your original pump. The soft silicone is gentle against the skin and aims to improve comfort during use while staying aligned with the pump’s performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-level taper supports a smooth milk flow\u003c\/li\u003e\n  \u003cli\u003eMaintains the same suction as the original pump parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety, Materials and Care\u003c\/h3\u003e\n\u003cp\u003eCrafted to be safe for daily use, the inserts are BPA- and DEHP-free. They’re easy to install and remove, and they tolerate routine cleaning processes so you can fit sanitation into your busy day. The design is seamless to help minimize crevices where residue could collect.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSAME suction as original pump parts\u003c\/li\u003e\n  \u003cli\u003eBoiling water safe, steam safe, top-rack dishwasher safe\u003c\/li\u003e\n  \u003cli\u003eFood-safe, seamless design for simple cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you’re transitioning to a smaller tunnel size or seeking a gentler pumping experience, these inserts provide a practical option to explore fit and comfort with a broad set of compatible pumps.\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: What sizes are included and how do I know which fits?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This pack includes 2 inserts at 21mm; suitable for nipple bases about 17–18mm (53.4–56.5mm circumference). Other sizes 15–22mm are available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I clean and care for these inserts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are BPA\/DEHP free, boil-safe, steam-safe, and top-rack dishwasher safe for easy cleaning.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mompmuir","offers":[{"title":"Default Title","offer_id":47380734181588,"sku":"B0BNNGBDLM","price":66.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/6955\/8484\/files\/mompmuir-21mm-flange-inserts-elvie-stride-compatibility-01_jpg.jpg?v=1766270137","url":"https:\/\/www.mythriftymom.ca\/products\/mompmuir-21mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela-more","provider":"MyThriftyMom | Trusted Baby \u0026 Maternity Essentials for Canadian Families","version":"1.0","type":"link"}