--- product_id: 472877556 title: "2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace" brand: "smarbore" price: "₨5360" currency: LKR in_stock: true category: "Smarbore" url: https://www.desertcart.lk/products/472877556-2pcs-flange-insert-21mm-compatible-with-medela-spectra-willow-tsrete store_origin: LK region: Sri Lanka --- # 21mm precision fit Easy to sanitize BPA-free silicone safety 2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace **Brand:** smarbore **Price:** ₨5360 **Availability:** ✅ In Stock ## Summary > ✨ Pump Perfectly, Feel Confident! ✨ ## Quick Answers - **What is this?** 2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace by smarbore - **How much does it cost?** ₨5360 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/472877556-2pcs-flange-insert-21mm-compatible-with-medela-spectra-willow-tsrete) ## Best For - smarbore enthusiasts ## Why This Product - Trusted smarbore brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Hypoallergenic:** Crafted from BPA-free silicone to ensure your baby’s milk stays pure and uncontaminated. - • **Effortless Maintenance:** Quick to clean and sterilize via steam, boiling water, or microwave bags—hygiene made simple. - • **Universal Compatibility:** Seamlessly fits Medela, Spectra, Willow, TSRETE, Momcozy S9/S12 series breastpump shields. - • **Pump Smarter, Not Harder:** Prevents nipple swelling and discomfort, optimizing your pumping sessions every time. - • **Perfect Fit, Maximum Comfort:** Reduces 24mm nipple tunnel to ideal 21mm size for efficient, pain-free pumping. ## Overview These 2PCS 21mm flange inserts are precision-engineered silicone replacements that reduce 24mm breast pump shields to the correct size, compatible with top brands like Medela and Spectra. BPA-free and hypoallergenic, they ensure safe, comfortable, and hygienic pumping, helping moms avoid nipple discomfort and maintain optimal milk flow. ## Description desertcart.com : 2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace : Baby ## Features - Compatible For Breast Pump: 21mm inserts compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm shields. It will reduce the 24mm shield nipple tunnel down to Correct Size(not for 27mm shield). - Great Material: The inserts parts are BPA Free, made of silicone material, giving you peace of mind about your baby's milk. It is important to change out your pump parts after sometime! - Easy to Clean: Easy Cleaning, Wash pump parts after each use with warm soapy water and rinse well. The Flange Insert can be sanitized with water steam, boiling water or microwave-steam bags. - Choose the Right Size Flange Insert: The size of your flange is important for comfort and efficient pumping. Some moms will experience nipple swelling while pumping, so it's important to observe how your nipples look during a pumping session. While pumping, your nipple should not rub or feel squished inside the flange tunnel. Please choose the right size flange insert. - 100% Satisfication: If you have any further questions about our wearable breast pump flange insert, Contact us anytime. Our service team will offer you the best solution. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B3VQLVC8 | | ASIN | B0B3VQLVC8 | | Additional Features | Bpa Free, Hypoallergenic | | Best Sellers Rank | #31,112 in Baby ( See Top 100 in Baby ) #391 in Electric Breast Pumps | | Brand Name | Smarbore | | Color | 21mm | | Customer Reviews | 4.6 4.6 out of 5 stars (1,024) | | Date First Available | June 12, 2022 | | Included Components | Breast Flange | | Item Weight | 0.01 kg | | Item model number | SMBPUMP | | Manufacturer | Smarbore | | Manufacturer | Smarbore | | Manufacturer Part Number | SMBPUMP | | Material Type | Silicone | | Material Type Free | BPA Free | | Model Number | SMBPUMP | | Number of Items | 2 | | Product Dimensions | 5.16 x 1.81 x 3.98 inches; 0.32 ounces | | Product Style | 21mm | | Size | 2 Count (Pack of 1) | | Unit Count | 2 Count | ## Product Details - **Brand:** Smarbore - **Included Components:** Breast Flange - **Material:** Silicone - **Material Type Free:** BPA Free - **Special Feature:** Bpa Free, Hypoallergenic ## Images ![2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace - Image 1](https://m.media-amazon.com/images/I/51agweoYk9L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - 2PCS Flange Insert 21mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields, Reduce 24mm Nipple Tunnel Down to Correct Size, Pump Parts Replace - Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk --- ## 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.lk/products/472877556-2pcs-flange-insert-21mm-compatible-with-medela-spectra-willow-tsrete](https://www.desertcart.lk/products/472877556-2pcs-flange-insert-21mm-compatible-with-medela-spectra-willow-tsrete) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-10-09*