# Mompmuir 21mm Silicone Flange Inserts for Spectra, Medela, Elvie, Momcozy Pumps | USA Imported Breast Pump Parts **Brand:** Mompmuir **SKU:** ue8214 **ASIN:** B0BNNGBDLM **Canonical URL:** https://crowcrowcrow.com/p/mompmuir-21mm-silicone-flange-inserts-compatible-elvie-stride-lansinoh-medela-spectra-eufy/ue8214 **Category:** baby-products **Subcategory:** Feeding **Availability:** in_stock **Price (INR, all-inclusive):** ₹2,233 **Discount:** 17% **Customer rating:** 4.20/5 from 10 ratings ## Description Mompmuir 21mm silicone flange inserts reduce 24-25mm shields to 21mm for Spectra, Medela, Elvie, Momcozy pumps. Soft, BPA-free silicone enhances comfort and efficiency. Imported from USA, delivered within {{ccc_delivery_eta}}. ## Highlights - Comfortable Pumping Experience — Soft, BPA-free silicone material reduces nipple pulling and pinching, making pumping sessions more comfortable and less painful, especially for mothers with elastic nipples. - Improved Milk Output — A precise 21mm tunnel size and two-level taper design help optimize suction and milk letdown, potentially increasing output compared to ill-fitting standard flanges. - Wide Pump Compatibility — Designed to fit with 24-25mm breast shields for popular pumps like Spectra, Medela, Elvie, Momcozy, and more, offering versatility for your existing equipment. - Easy to Clean & Maintain — Boiling water safe, steam safe, and dishwasher top-rack safe for convenient and hygienic cleaning, ensuring readiness for your next pumping session. ## Key features - MompMuir 21mm Flange Inserts Compatible with Momcozy S9/S10/S12/M5/M6/M9, for eufy, for Spectra S1/S2, for Medela, for Elvie, for Elvie Stride, Compatible with Lansinoh, for Freemie, for Amada MYA, for Bellababy, for TSRETE, for FEISIKE, for Rainyb. It will reduce the 24-25mm breast shields nipple tunnel down to 21mm. 2pcs each pack. - The 21mm insert Suitable for nipple diameter 17-18mm(before a pumping session), or measure the circumference of nipple base about 53.38-56.52mm(before a pumping session). - More different sizes are available, 15, 16, 17, 18, 19, 20, 21, 22mm. Soft silicone makes pumping more comfortable, and correct flange sizes make pumping more efficient. - Second Generation Improved Flange Inserts: two levels taper design for milk flow without blocking, do not reduce the suction of the original pump. - BPA and DEHP Free. SAME SUCTION AS ORIGINAL PUMP PARTS. EASY TO INSTALL & REMOVE. Boiling water safe, Steam safe, Dishwasher toprack safe. Food-safe, seamless design. ## Why choose this product - Optimized Pumping with USA-Sourced Inserts - Who Should Use & Who Should Skip ## How to use 1. Take your existing 24-25mm breast shield and ensure it is clean and dry. Identify the Mompmuir 21mm silicone insert. — Prepare Your Flange 2. Carefully place the Mompmuir 21mm insert into the larger 24-25mm breast shield. Ensure it sits snugly and is properly aligned to create the 21mm tunnel. — Insert the Silicone Liner 3. Before attaching the pump, ensure your nipple is centered within the 21mm tunnel of the insert for optimal suction and comfort during pumping. — Center Your Nipple 4. Assemble the flange with your breast pump and begin your pumping session. Monitor for comfort and effectiveness, adjusting placement if needed. — Attach and Pump ## Product details | Field | Value | |---|---| | Primary Material | Food-grade Silicone | | Free From | BPA, DEHP | | Instructions | Insert into your existing 24-25mm breast shield to create a 21mm tunnel. Ensure proper centering of the nipple for optimal suction and comfort. | | Frequency | Can be used for every pumping session. | | Cleaning | Wash with warm soapy water or place on the top rack of your dishwasher. Can be sterilized by boiling or steaming. | | Cost per use | {{ccc_offer_price}} for 2 inserts — {{ccc_price_per_unit:2:insert}}. If used daily for 6 months (approx. 180 uses), cost is {{ccc_price_per_unit:180:use}} per day. | | Shelf life after opening | 12 months (typical for silicone breast pump parts) | | Reapplication math | One pair can last for many months of regular use, depending on cleaning and care. | | Contraindications | Not suitable for flanges smaller than 24mm or larger than 25mm. Not recommended if your nipple diameter is significantly outside the 17-18mm range before pumping. | | Allergens / common irritants | Made from food-grade silicone, generally hypoallergenic. Check individual sensitivities. | | Brand | Mompmuir | | Flange Size | 21mm (reduces 24-25mm shields) | | Nipple Diameter Suitability | 17-18mm (before pumping) | | Circumference Suitability | 53.38-56.52mm (before pumping) | | Number of Items | 2 per pack | | Material | BPA & DEHP Free Silicone | | Pump Compatibility | Spectra, Medela, Elvie, Momcozy, eufy, Lansinoh, and more | | Cleaning Method | Boiling water safe, Steam safe, Dishwasher top-rack safe | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Attributes - **Unit count:** 2 ## Frequently asked questions ### How is this Mompmuir 21mm flange insert authentic vs the version sold in Indian stores? Sourced directly from authorized US retailers, these inserts are factory-sealed and imported per-order, matching the SKU and formulation US buyers receive. All customs duties and GST are included in the displayed price, with delivery via ExpressBox tracked shipping within {{ccc_delivery_eta}}. ### Will the version I receive match what is shown on the US retailer's page? Yes, orders are placed against the listed US retailer page at the time of purchase. Batch codes, packaging, and labels match what the US retailer dispatches. Photographs of every order are taken before international handover for your verification. ### Is this Mompmuir breast pump flange insert safe for my baby? Yes, the Mompmuir flange inserts are made from BPA and DEHP-free, food-safe silicone, ensuring they are safe for contact with breast milk and for your baby's health. They are also safe for boiling, steaming, and dishwasher cleaning. ### How to choose the correct flange size for these inserts? These 21mm inserts are designed for 24-25mm breast shields. They are suitable if your nipple diameter is 17-18mm before pumping, or if the circumference of your nipple base is about 53.38-56.52mm before pumping. ### How to use Mompmuir 21mm flange inserts with my breast pump? Simply insert the 21mm Mompmuir flange into your existing 24-25mm breast shield. Ensure your nipple is centered within the tunnel for optimal suction and comfort. They are designed to maintain the original pump's suction power. ### What is the best breast pump flange insert for elastic nipples? Many users with elastic nipples report significant comfort and improved output with Mompmuir flange inserts. The soft silicone and precise sizing help prevent nipples from being pulled too far into the flange, reducing pain and enhancing efficiency. ### Can I use Mompmuir flange inserts daily? Yes, these inserts are designed for regular use and are safe for daily pumping sessions. Their durable silicone construction and easy-to-clean nature make them suitable for frequent use. ### What are the side effects of using Mompmuir flange inserts? When used with the correct flange size and pump compatibility, Mompmuir flange inserts are generally well-tolerated. Some users noted difficulty checking placement due to the frosted material or a less secure fit within the pump flange compared to other brands. ### What are the benefits of Mompmuir flange inserts? The primary benefits include increased pumping comfort, potentially improved milk output, reduced nipple pain, and wider compatibility with various breast pumps. They are made from safe, BPA-free silicone and are easy to clean. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0BNNGBDLM-0.webp 2. https://images.crowcrowcrow.com/B0BNNGBDLM-1.webp 3. https://images.crowcrowcrow.com/B0BNNGBDLM-2.webp 4. https://images.crowcrowcrow.com/B0BNNGBDLM-3.webp 5. https://images.crowcrowcrow.com/B0BNNGBDLM-4.webp 6. https://images.crowcrowcrow.com/B0BNNGBDLM-5.webp --- Source: https://crowcrowcrow.com/p/mompmuir-21mm-silicone-flange-inserts-compatible-elvie-stride-lansinoh-medela-spectra-eufy/ue8214 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).