{"product_id":"maymom-21mm-flange-for-spectra-s1-s2-pumps-duckbill-valve-backflow-kit","title":"Maymom 21mm Flange for Spectra S1\/S2 Pumps — Duckbill Valve Backflow Kit","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMaymom’s compatible pump-part set is designed to work with Spectra S1\/S2 pumps and select Spectra models. The kit combines two 21mm flanges, duckbill valves, backflow protectors, tubing, and wide-mouth bottles with a travel-cap, delivering a flexible option for varied pumping routines. This is not an original Spectra accessory, but it provides broad compatibility and thoughtful design to support everyday pumping needs.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a diverse flange library matters\u003c\/h3\u003e\n\u003cp\u003eEvery mother is unique. Maymom offers more than a dozen flange sizes (from 13 mm to 36 mm) to fit different shapes and comfort levels. After a pumping session, measure your nipple diameter and choose a size that’s about 1–2 mm larger. This sizing approach prioritizes comfort and a steady pumping rhythm rather than a one-size-fits-all path.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComfort across a wide range of sizes with improved fit potential\u003c\/li\u003e\n  \u003cli\u003ePossible smoother expression by reducing pressure gaps\u003c\/li\u003e\n  \u003cli\u003eInterchangeable with Maymom and Spectra components for flexible setups\u003c\/li\u003e\n  \u003cli\u003eSupports diverse configurations, including long- and short-stem backflow protectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit contents and key features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 Wide Mouth Flanges (21mm)\u003c\/li\u003e\n  \u003cli\u003e2 Duckbill Valves\u003c\/li\u003e\n  \u003cli\u003e2 Backflow Protectors\u003c\/li\u003e\n  \u003cli\u003e2 Tubes\u003c\/li\u003e\n  \u003cli\u003e2 Wide Mouth Bottles with One-Piece Travel Cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Dome caps and nipples are not included. This Maymom kit is designed to be compatible with Spectra S1\/S2 and related models, offering an independent option that does not claim to be original Spectra parts.\u003c\/p\u003e\n\n\u003ch3\u003eSafety, care, and everyday practicality\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterials are BPA-free and suitable for sanitizing by steam or boiling methods\u003c\/li\u003e\n  \u003cli\u003eComplies with FDA guidelines for plastics in contact with food and liquids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor on-the-go pumping, the wide-mouth bottles and travel-cap provide spill-resistance and convenient storage. The kit’s compatibility with Maymom’s duckbill valves and backflow protectors adds setup flexibility, so you can tailor your workflow to how you pump best, without committing to a single configuration.\u003c\/p\u003e\n\n\u003ch3\u003eHow to choose your size and use\u003c\/h3\u003e\n\u003cp\u003eStart with the nipple diameter measured after pumping, then select a flange size about 1–2 mm larger. With a broad size range available in Maymom’s lineup, you can experiment to discover a comfortable fit that aligns with your pumping rhythm and daily routine.\u003c\/p\u003e\n\n\u003ch3\u003eBrand and compatibility note\u003c\/h3\u003e\n\u003cp\u003eMaymom operates independently from Spectra. This kit is designed to work with Spectra S1\/S2 pumps and other compatible Spectra models, expanding your options while remaining separate from original Spectra parts.\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: Is this Maymom kit compatible with Spectra S1\/S2 pumps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed to fit Spectra S1\/S2 and select Spectra 9\/M models, with multiple flange sizes included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I choose the right flange size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Sizes range 13–36 mm. Measure nipple diameter after pumping, then pick a size 1–2 mm larger for comfort.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Maymom","offers":[{"title":"Default Title","offer_id":47378097537236,"sku":"B08F4XW1RP","price":123.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/6955\/8484\/files\/maymom-21mm-flange-kit.jpg?v=1766176107","url":"https:\/\/www.mythriftymom.ca\/products\/maymom-21mm-flange-for-spectra-s1-s2-pumps-duckbill-valve-backflow-kit","provider":"MyThriftyMom | Trusted Baby \u0026 Maternity Essentials for Canadian Families","version":"1.0","type":"link"}