--- product_id: 588961156 title: "Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size" brand: "lotbill" price: "59.31 DT" currency: TND in_stock: true reviews_count: 8 category: "Lotbill" url: https://www.desertcart.tn/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy store_origin: TN region: Tunisia --- # 5 precise flange sizes (13-21mm) BPA-free food-grade silicone Includes cleaning brush & dishwasher safe Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size **Brand:** lotbill **Price:** 59.31 DT **Availability:** βœ… In Stock ## Summary > 🍼 Pump smarter, not harder β€” comfort and efficiency in every drop! ## Quick Answers - **What is this?** Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size by lotbill - **How much does it cost?** 59.31 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy) ## Best For - lotbill enthusiasts ## Why This Product - Trusted lotbill brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Safe & Gentle:** Crafted from BPA-free silicone for skin-friendly comfort that protects both mom and baby. - β€’ **Save Time & Money:** Accurate nipple ruler included to quickly find your ideal size, reducing trial and error. - β€’ **Hygienic & Easy Care:** Dishwasher safe with included cleaning brush for effortless sterilization and maintenance. - β€’ **Perfect Fit Every Time:** 5 size options ensure a custom, pain-free pumping experience tailored to your unique needs. - β€’ **Universal Compatibility:** Seamlessly works with top wearable pumps like Momcozy, Medela, Spectra, Willow, and Elvie. ## Overview The LOTBILL Flange Insert Kit offers 10 BPA-free silicone inserts in 5 sizes (13-21mm) designed to reduce 24mm breast pump flanges to the perfect fit. Compatible with major wearable pumps like Momcozy, Medela, Spectra, Willow, and Elvie, it includes a nipple measuring tool and cleaning brush for hygienic, efficient pumping. This kit enhances comfort, reduces nipple friction, and supports optimal milk expression, making it an essential upgrade for modern breastfeeding moms. ## Description ↓↓↓ Breast Pump Flange insert Visit the Store ↓↓↓ Breast Pump Flange insert Visit the Store ↓↓↓ Baby Diaper Cream Spatula Visit the Store ↓↓↓ Baby Diaper Cream Spatula Toddler Snack Containers No-Spill Design Toddler Snack Cups Toddler Snack Containers No-Spill Design Toddler Snack Cups Snack Cups for Toddlers Convenient Handles for Little Hands Snack Cups for Toddlers Convenient Handles for Little Hands ↓↓↓Baby freezer tray + Feeder Visit the Store ↓↓↓Baby freezer tray + Feeder Review: Inexpensive and efficient - I've used these with multiple different pumps. Very versatile and works as expected. Included sizing tool was extremely helpful in determining size needed Review: Worth the purchase - Excellent quality and great fit for my portable pump. Increase my milk supply due to having improper fitting when pumping. ## Features - Compatible with Most Breast Pumps: LOTBILL flange insert is suitable for most wearable breast pumps and 24mm breast pump flanges/shields(not for 27mm and 28mm shield), such as it is compatible with Momcozy S12 Pro/S9 Pro/S12/S9/S10/Medela/Spectra/Willow/Elvie and other. Simply insert the right size – works great with breast pumps to reduce discomfort and improve suction - The Importance of Choosing the Right Size: According to professional lactation consultants, a mother's nipple size may vary throughout the breastfeeding process. To save moms time and energy in finding the correct size, we offer an accurate and useful nipple measuring tool. Say goodbye to the pain and inefficient pumping caused by incorrect sizes - Care for Moms and Babies: Our flange sizing kit is made from food-grade silicone materials, free from BPA. They provide a soft texture that is gentle on delicate skin. The flange inserts fit closely with your skin, promoting efficient milk expression without any foreign body sensation. Additionally, they are reusable and suitable for taking care of the health and safety of mothers and children - Easy to Clean and Care: Comes with a handy cleaning brush for quick hand washing, and the inserts are top‑rack dishwasher safe. And ready for your next pumping. After each use, the replacement breast pump parts can be washed with mild soapy water, then rinsed with clean water. To maintain optimal function, we recommend replacing the pump accessories every 2 months - Enhanced Pumping Experience: A proper fit means less friction, less pain, and more milk. Moms report shorter pumping sessions, fewer sore spots, and a more productive session every time. No more guessing your size! The included ruler helps you measure accurately for a truly Comfortable pumping experience - Complete Set Included: This package includes 10 pieces of flange inserts in multiple sizes (13mm, 15mm, 17mm, 19mm, and 21mm) along with a nipple measurement tool for flanges and cleaning brush, providing everything needed for a customized and efficient pumping experience ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CL96VP1C | | Additional Features | Portable | | Best Sellers Rank | #2,992 in Baby ( See Top 100 in Baby ) #33 in Electric Breast Pumps | | Brand | LOTBILL | | Brand Name | LOTBILL | | Color | Transparent | | Customer Reviews | 4.6 out of 5 stars 546 Reviews | | Included Components | Cleaning Brush, Nipple Ruler | | Is the item dishwasher safe? | Yes | | Item Weight | 0.1 Kilograms | | Manufacturer | LOTBILL | | Manufacturer Part Number | FL-8910 | | Material | Silicone | | Material Type | Silicone | | Model Number | FL-8910 | | Number of Items | 10 | | Product Style | Includes 10 flange inserts in 5 sizes (13mm, 15mm, 17mm, 19mm, and 21mm), cleaning brush and nipple measurement tool for flanges | | Size | 10pcs-13/15/17/19/21mm | | Special Feature | Portable | | UPC | 726172399673 | | Unit Count | 10 Count | ## Product Details - **Brand:** LOTBILL - **Included Components:** Cleaning Brush, Nipple Ruler - **Material:** Silicone - **Number of Items:** 10 - **Special Feature:** Portable ## Images ![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 1](https://m.media-amazon.com/images/I/71F0RhzR9kL.jpg) ![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 2](https://m.media-amazon.com/images/I/71FxTvKSsKL.jpg) ![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 3](https://m.media-amazon.com/images/I/61NAqEnPc7L.jpg) ![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 4](https://m.media-amazon.com/images/I/719nxUSOdXL.jpg) ![Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Image 5](https://m.media-amazon.com/images/I/71FM9jRJYKL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Inexpensive and efficient *by V***R on February 28, 2026* I've used these with multiple different pumps. Very versatile and works as expected. Included sizing tool was extremely helpful in determining size needed ### ⭐⭐⭐⭐⭐ Worth the purchase *by A***R on March 21, 2026* Excellent quality and great fit for my portable pump. Increase my milk supply due to having improper fitting when pumping. ### ⭐⭐⭐⭐⭐ Great! *by A***N on March 15, 2026* Absolutely perfect fits in my hands free pump and my speCtra pump plus came with a hand scrubby for them can’t bet it for 8 bucks! ## Frequently Bought Together - Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size - Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk - Lansinoh Breastmilk Storage Bags, 100 Count, Baby Essentials, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Superior Strength & Stretch, 6 Ounce --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy](https://www.desertcart.tn/products/588961156-flange-insert-13-15-17-19-21mm-10pcs-compatible-momcozy) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-07*