--- product_id: 549083468 title: "Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size" brand: "semai" price: "€ 20.00" currency: EUR in_stock: true category: "Semai" url: https://www.desertcart.sk/products/549083468-flange-insert-6pcs-17-19-21mm-for-momcozy-s9-s9pro store_origin: SK region: Slovakia --- # 3 sizes: 17/19/21mm precision fit Dishwasher safe & easy sanitize BPA-free food-grade silicone Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size **Brand:** semai **Price:** € 20.00 **Availability:** ✅ In Stock ## Summary > 🎯 Precision fit meets ultimate comfort—because your pumping game deserves the best! ## Quick Answers - **What is this?** Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size by semai - **How much does it cost?** € 20.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/549083468-flange-insert-6pcs-17-19-21mm-for-momcozy-s9-s9pro) ## Best For - semai enthusiasts ## Why This Product - Trusted semai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hygienic & Safe:** BPA-free, transparent silicone that’s dishwasher safe and steam sterilizable for worry-free use. - • **Boost Your Milk Flow:** Optimized flange sizing helps milk drain smoothly, making every drop count. - • **Universal Compatibility:** Works flawlessly with top wearable pumps like Momcozy, Medela, Spectra, and more. - • **Custom Fit for Every Pump:** Seamlessly adapts 24mm shields to your perfect size for max comfort and efficiency. - • **Soft-Touch Silicone Comfort:** Gentle, skin-friendly material reduces nipple irritation during pumping sessions. ## Overview The Flange Insert 6PCS set offers three precise sizes (17/19/21mm) to customize 24mm wearable breast pump shields, compatible with leading brands like Momcozy, Medela, and Spectra. Made from BPA-free, food-grade silicone, these inserts ensure a soft, comfortable fit that reduces nipple irritation. Dishwasher safe and easy to sanitize, they enhance milk flow efficiency while providing hygienic, safe use for busy, health-conscious moms. ## Description desertcart.com : Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size : Baby ## Features - Compatibility: The Flange Inserts are wearable breast pump accessories, suitable for almost any wearable breast pump(not for 27mm shield). Use with 24mm Hands-Free breast pump Shields for example, compatible with Momcozy S9/S9 Pro/S10/S12/S12 Pro/TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby/Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD etc. - Multiple Size Options: Our flange size has 4 combinations, 6PCS: 13/15/17, 15/17/19, 17/19/21,10PCS :13/15/17/19/21. Different Periods Provide More Cozy Experience, selection of the right flange size can help the breast milk to drain smoothly. - Safety Material: made of transparent food grade silicone material. Our product is BPA-free, easy to clean, you can use it with confidence. Before use Can be sanitized with water steam, boiling water or microwave-steam bags. - Soft-Touch: Flange insert Soft Comfortable Material, Snug Fit can comfort and efficient pumping, helping to avoid nipple damage or irritation. - Serve Love: If for any reason you are not satisfied with your purchase, please cont**t us, our service team will offer you the best solution. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CDLSZPG5 | | ASIN | B0CDLSZPG5 | | Additional Features | Painless | | Best Sellers Rank | #27,706 in Baby ( See Top 100 in Baby ) #383 in Electric Breast Pumps | | Brand Name | semai | | Customer Reviews | 4.7 4.7 out of 5 stars (774) | | Date First Available | August 3, 2023 | | Is the item dishwasher safe? | Yes | | Item Weight | 0.07 Kilograms | | Item model number | BP06-2 | | Manufacturer | semai | | Manufacturer | semai | | Manufacturer Part Number | BP06-2 | | Material Type | Silicone | | Model Number | BP06-2 | | Number of Items | 6 | | Product Dimensions | 4.9 x 4.9 x 3.74 inches; 2.4 ounces | | Size | 6PCS -17/19/21mm | | Unit Count | 6.00 Count | ## Product Details - **Brand:** semai - **Item Weight:** 0.07 Kilograms - **Material:** Silicone - **Number of Items:** 6 - **Special Feature:** Painless ## Images ![Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size - Image 1](https://m.media-amazon.com/images/I/71nauANXoRL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Will these insert work for the modify twist, or lansioh hand pump?** A: I have the twist and I just put it on the 24 mm flange and I guess it works cause it pumps ## Frequently Bought Together - Flange Insert 6PCS 17/19/21mm for Momcozy S9/S9pro/S10/S12/S12pro/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size - Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk - Lansinoh Stay Dry Disposable Nursing Pads, Soft and Super Absorbent Breast Pads, Breastfeeding Essentials for Moms, 200 Count --- ## 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.sk/products/549083468-flange-insert-6pcs-17-19-21mm-for-momcozy-s9-s9pro](https://www.desertcart.sk/products/549083468-flange-insert-6pcs-17-19-21mm-for-momcozy-s9-s9pro) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-09-10*