--- product_id: 391597624 title: "19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Tunnel Down to 19mm" brand: "durceler" price: "$34.99" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/391597624-19mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1 store_origin: US region: United States of America --- # BPA Free Material Reduces Tunnel Size Seamless Compatibility 19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Tunnel Down to 19mm **Brand:** durceler **Price:** $34.99 **Availability:** ✅ In Stock ## Summary > Pump with Confidence! 💪 ## Quick Answers - **What is this?** 19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Tunnel Down to 19mm by durceler - **How much does it cost?** $34.99 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/391597624-19mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1) ## Best For - durceler enthusiasts ## Why This Product - Trusted durceler brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Safe:** Crafted from BPA-free silicone for a safe and long-lasting experience. - • **Hands-Free Convenience:** Compatible with most hands-free bras for effortless pumping. - • **Perfect Fit Every Time:** Easily adjust to achieve the ideal fit for maximum efficiency. - • **Optimal Milk Expression:** Experience seamless compatibility with major breast pump brands. - • **Comfort Meets Efficiency:** Designed for small-nippled mothers to enhance comfort and milk output. ## Overview The Durceler 19mm Silicone Flange Inserts are designed to reduce the tunnel size of 24mm breast shields to 19mm, ensuring optimal comfort and efficiency for mothers using various breast pump brands. Made from BPA-free silicone, these durable inserts provide a seamless fit, enhancing milk expression while preventing irritation. Perfect for hands-free pumping, they are a must-have accessory for modern mothers. ## Description Durceler19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Tunnel Down to 19mm ## Features - Durceler 19mm inserts (2pcs a Pack) to compatible with Medela / Spectra / Elvie / Rainyb / S18 S21 S23 / Momcozy S9 Pro S10 S12 Pro / TSRETE / Bellababy / NCVI 24 mm breast shields. It will reduce the 24mm shield tunnel down to 19mm. Also compatible with Freemie 25mm cups to reduce it down to 19mm. Also applicable to most other brands of the models for 24-25mm. - Seamless Compatibility For Optimal Milk Expression: Suitable for diameter 16-18mm(after a pumping session), or measure the circumference of base about 43.96 - 50.24mm before a pumping session. - Great solution for small-nippled mothers using large breast shields, Proper tunnel fit is essential for comfort and efficient milk output. It can be compatible with Spectra and Medela (Freestyle, Harmony, Sonata, and Swing-Maxi pumps) and other brands. - BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid trauma or irritation. - Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect. ## Technical Specifications | Specification | Value | |---------------|-------| | Units | 2.0 count | | Brand | Durceler | | material_composition | BPA Free | ## Product Details - **Brand:** Durceler - **Special Feature:** Bpa Free - **Material:** Silicone - **Number of Items:** 2 - **Color:** White ## Images ![19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Tunnel Down to 19mm - Image 1](https://m.media-amazon.com/images/I/41wROfG+r-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Necessary for Pumping! *by B*** on Reviewed in the United States on 7 February 2024* I am a pumping mom & I use these flanges daily. I use them in my hands free pump and my manual pump to make them the perfect size. They work well, are comfortable and fit into various pumps. I have washed and sanitized them multiple times and they still look and feel brand new. ### ⭐⭐⭐⭐⭐ good product *by S***E on Reviewed in Saudi Arabia on 19 July 2023* good product . fits well on medela and elvie pums 24mm but a bit loose on bella baby wearable pumpbut does the job ### ⭐⭐⭐⭐⭐ Buen producto *by P***A on Reviewed in the United States on 3 January 2024* Buen producto ## Frequently Bought Together - Durceler 19mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 19mm - Durceler 20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm - Durceler 18mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 18mm --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/391597624-19mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1](https://www.desertcart.us/products/391597624-19mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-26*