Best Flanges 2025

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Last Updated - 26.07.2025

Best Choice

01

Maymom

Maymom MyFit Shields Pano Series 19mm Compatible with Medela Breast Pump, PersonalFit, Freestyle, Harmony, Maxi, Freestyle Flex Plugs; Connects to Maymom Widemouth/Narrow Plug (Pack of 2)

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9.7

Exceptional

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US FDA Registered Medical Device (No. D192499); Complies with FDA regulations for plastic materials that come into contact with food. Test reports are conducted by an independent laboratory and are available online for reference. Retail Packaging; Sealed by Maymom, not original Medela parts.
Made from BPA free material (BPA)/DEHP free. Can be cleaned with boiling water or steam.
Flange opening is 105 degrees, more suitable for mothers with large breasts or flatter contour breasts; Soft and flexible rim for more comfort; Larger cup size for more covered area of breasts during pumping; Elliptical shaped design to rorate and adjust for comfortable pumping.
Available in various sizes (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 34, 36mm)
2 x Pano Series Shields (19mm, suitable for mothers with nipple diameter after pumping from 17-18mm) Compatible with select Medela pumps (new Medela pump in style with MaxFlow, Pump in Style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony). Also compatible with Lansinoh SignaturePro SmartPump hand pump, replaces Lansinoh pump parts and Lansinoh flanges. Note: Connectors are not included.

23,57 €
02

GOCROWEEN

Pack of 10 flange inserts 14/16/18/20/22 x 2 for Momcozy M9/M6/M5/S12 Pro/V1 Pro/V2 Pro, for Nuliie/Medela/Kissbobo/Lansinoh/eufy/NCVI/Bellababy/Jheppbay/Lulia 24 mm breast pump

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【Simple and Convenient】: Before use, the flange inserts of the breast pump can be sterilized with steam, boiling water or microwave steam bags. After each use, the spare parts of the breast pump can be washed with mild soapy water and then rinsed with clean water. We recommend replacing them every 2 months to ensure optimal functionality.
【Safe for Mother and Baby】: Our flange size set is made of food grade silicone material and is BPA free. They provide a soft texture that is gentle on sensitive skin. The flange inserts fit close to your skin and promote efficient pumping of milk without foreign body feeling.
【Maximum Pump Efficiency】Comfortable and soft silicone material is designed to stimulate milk flow and increase comfort during use. With the added benefits of less pain and increased milk production, our breast pump flange inserts are a must have for any nursing mother who needs to pump out milk.
【MULTIPLE SIZES BETTER FITTING BREAST PUMPS】:Our flange inserts are available in different sizes:13/14/15/16/17/18/19/20/21/22mm. 10 different size options may vary during breastfeeding and therefore require different sizes of flange inserts for your breast pump.
【Comprehensive Compatibility】: these flange inserts compatible with Momcozy M9/M6/M5/S12 pro/S9 pro/V1 pro/V2, perfect fit with Nuliie/Medela/Momcozy/Jheppbay/KISSBOBO/ANWIKE/Lulia/Lansinoh/Robofun/NCVI/eufy/Bellaby 24-mm-M-M-MMilk pump. Fits most portable 24mm breast pumps

14,99 €
03

ANWIKE

Pack of 10 Flange Inserts 13/15/17/19/21 mm, Compatible with Momcozy S9/S12 Pro M5/Medela/Kissbobo/Jheppbay, Breastfeeding Accessories for Electric Breast Pumps, Can Reduce the 24 mm Channel to Other

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide variety of sizes - Our breast pump accessories breast pump flange inserts are available in 5 sizes (13, 15, 17, 19, 21 mm) to meet the dynamic needs of mothers during their entire breastfeeding period. Whether you are new to breastfeeding accessories or already have extensive experience, every mother can find her exact fit in this set
Universal fit - Our flange size kit is designed for a perfect fit with most 24-27 mm shields/flanges and ensures compatibility with leading brands such as Momcozy S9/S12 Pro M5, KISSBOBO, Medela, Elvie, Spectra, Lansinoh, Jheppbay and others, offering a wide selection for almost any nut
PRECISE FIT GUIDE - In recognition of the variability of nipples during breastfeeding, selecting a precisely fitting flange is paramount. We strengthen nursing moms' confidence by including a free nipple size measuring tool that eliminates the guesswork and guarantees the ideal fit for exceptional comfort and optimal pump efficiency
PORTABILITY FOR ANY TRAVEL - Designed with mobility in mind, our flange insert set, including all additional items, guarantees effortless transport. Lightweight and user-friendly, it helps mothers create a comfortable and safe breastfeeding environment for their baby regardless of location
Comprehensive cleaning kit included - Each flange size kit comes with a high-quality cleaning brush and a precise nipple ruler, making daily care and the perfect flange fit for mothers effortless. The brush is designed to thoroughly clean every corner, while the ruler simplifies personal fit and promises unparalleled comfort

9,99 €
04

Nuliie

Nuliie Pack of 10 Flange Inserts 13/15/17/19/21 mm for 24 mm Flange/Shield of Most Pumps, Breastfeeding Accessories for Electric Breast Pump, BPA-Free, Compatible with Momcozy/Jheppbay/Kissbobo/

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Your order can be delivered with either the new or old packaging that will be sent at random. Rest assured that both versions guarantee the same high quality product inside.
Safe and easy to clean: ensure safety and maximise the performance of your breast pump with our flange inserts. Made from food grade liquid silicone and free from BPA, these liners are easy to clean and dishwasher safe. We recommend washing the pump inserts immediately after each use and replace every 2 months to maintain optimal functionality. You will also receive a free cleaning brush for added convenience.
High compatibility: Nuliie flange size kit 13/15/17/19/21 mm (10 pieces) fits most portable 24 mm milk pumps. This reduces the 24mm shield nipple tunnel to the correct size. Note: Not compatible with 27-28mm shields.
Friendly reminder: The size of the teats can vary in different breastfeeding phases, so that the flange inserts for your breast pump are different sizes. If you know your exact nipple size, we recommend you buy the appropriate size directly. However, if you are not sure, we recommend you start with our 10 pack of flange inserts, which includes five different sizes to ensure you find the perfect fit.
Essential accessories for milk pumps: Achieve improved pumping, shorten pumping time and maximise milk production by using the essential flange inserts for your breast pump. The comfortable and soft silicone material is designed to stimulate milk flow and increase comfort during use. With the added benefits of pain relief and increased milk yield, our breast pump flange inserts are a must have for any nursing mother who needs to pump out milk.
Care service: With our silicone flange inserts, you will receive a free nipple measuring card that helps you choose the perfect size. Compare the size of your teat before and after pumping to ensure the most comfortable and effective fit. We provide 24/7 customer service to answer any questions. If the size is not right after purchase, use our free replacement service.

13,99 €
Value for Money

05

GNAUMORE

Nipple Ruler Set, Nipple Ruler, Breast Flange Measuring Tool, Flange Size Measuring Device for Nipples, Nipple Ruler for Flange Size Determination, Nipple Ruler for Flange Size

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16% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use a silicone breast flange measuring tool that is lightweight, flexible and safe on the skin.
Our nipple flange measuring tool is made of high quality silicone and provides softness, safety and comfort. It is flexible, stretchy and durable. Without rough edges, it will not hurt your skin, ensuring long-lasting performance.
Our nipple flange gauge helps you quickly determine the correct and appropriate size, avoiding confusion when choosing flanges or breast pump shields. It provides comprehensive support and protection for new mothers at this crucial stage.
First, simply insert your nipple into the corresponding hole (try different sizes conveniently) - the corresponding circle shows your correct size. Use a mirror or photo again to measure the edges of the markings.
A poorly fitting nipple pump breast shield can cause pain or restricted milk flow. Find the best fit with our nipple sizer to get the most out of every pumping session.

4,99 € 5,99 €(16% Off off)
06

momcozy

Momcozy 15mm Upgraded Flange Insert Compatible with momcozy M5 Genuine M5 Breast Pump Replacement Accessories 1 Piece (15mm)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The size of the flange insert is very important for comfortable and efficient pumping. Some mothers experience swelling of the nipple when squeezing, so it is advisable to observe the appearance of the nipple during pumping. If your nipple rubs or feels compressed in the flange channel, it is an inappropriate flange size and you need to replace the correct flange insert.
The authentic momcozy portable breast pump with 15mm flange insert is for use with the momcozy M5 portable breast pump only. momcozy original parts FSA/HSA eligible.
Made for mothers, by mothers. We have committed our lives to providing the best breast pumps, accessories, education, and customer care we can, supporting every mother with the beauty of parenting. Meet moms pumping wherever is needed without any problems.
Easy to clean, wash momcozy M5 pump parts with warm soapy water after each use and rinse well. Please clean at a temperature of ≤100°C for 5-10 minutes.
BPA free, made of food grade silicone material. All momcozy pump parts that come into contact with breast milk are BPA free, so you can calm down about your baby's milk.

9,99 €
07

GOCROWEEN

4 pieces flange inserts 18 mm for Momcozy M9/M6/M5/S12 Pro/S9 Pro/Medela/Spectra/Bellababy/Lansinoh/Elvie/Nuliie/Kissbobo/Anwike 24 mm milk pump, for 24 mm flange/shield of most pumps

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【WORKS JUST AS THE ORIGINAL ONE】:Our flange inserts are available in 11 sizes (12/13/14/15/16/17/18/19/20/21/22mm). You can choose a size that fits you better. The 24 mm can be easily transferred to the correct nipple size, creating a comfortable and comfortable fit like the original. It is a good helper for mothers who are worried about low milk production, as they can produce more milk by painless pumping.
【Gentle and Safe】: The breast pump flange inserts are made of transparent food grade silicone, BPA free, safe, soft and odorless, and skin-friendly for mom and baby. The flange insert is made of soft, comfortable material. The tight fit allows for comfortable and efficient pumping and helps prevent nipple damage or irritation.
【Easy to clean】: wash the pump inserts immediately after each use. They can be disinfected with water vapor, boiling water or microwave steam bags to ensure a hygienic and durable pump accessory. Warm Tips The heat resistance temperature of the flange insert is 100-125C/212-257°F.
Package contents: 10 pieces set, 13/15/17/19/21 mm x 2 flange inserts in the package. Your satisfaction is our encouragement to strive for high-quality service and products. Please contact us if we can help you. Our dedicated service team strives to provide you with the best possible solution and ensure your satisfaction.
Compatibility: compatible with Medela Harmony, Swing Maxi, Classic PersonalFit Flex, Freestyle electric milk pump/Nuliie S32/Philips Avent electric milk pump/Momcozy M5, M6, M9, S9 Pro, S12 Pro/eufy breast pump E10, S1, S1 Pro/Lansinoh/Lulia/Jheppbay/KISSBOBOBOBOWith 24 mm flange breast pump

9,99 €
08

NOLDAR

NOLDAR | Hex Nuts with Flange and Locking Toothing DIN 6923. Flange Nuts AISI 304 (A2) Stainless Steel M8 (Pack of 20)

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8.4

Good

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Technical data: flange nuts DIN 6923
Quality and certification: stainless steel – AISI 304 (A2 / V2A). Resistant to corrosion and oxidation. It can be used both indoors and outdoors. All screws are certified according to EN 10204 2.1.
Composition: 20 nuts
Applications: all types of fastenings, mounting of solar panels, construction, mechanical engineering, DIY, automotive industry, 3D printers
Advantage compared to standard hex nuts: the nut with integrated flange (locking tooth) provides higher vibration resistance and prevents loosening

4,90 €
09

winwill

4pcs M8 Flange Coupling Connector, Thread Shaft Gear Motor Flange Nut DIY Coupling Screw Guide Shaft Support for Motor

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8.2

Good

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Widely Used Used in model shaft connection, perfect accessories for RC model motor.
Package Content:4 x M8 Flange Shaft Coupling
M8 Size:Cylinder Diameter 12mm, Cylinder Height 10mm, Outer Diameter 22mm, Overall Height 12mm
Durable Material The coupling plug is made of 45# steel(better than copper and aluminum alloys), through heat and electroplated process toughness and insulation, more stable and easier to install and replace.
A screw shaft can be fixed by rotation at the level, by controlling the positive and negative rotation of the motor to achieve up and down drawing and other DIY functions.

8,99 €
10

Leryati

M5 Flange Nuts, Pack of 10, Leryati DIN 6923 Flange Nut with Locking Nuts A2 V2A, Hexagonal Flange Nuts Stainless Steel Hex Nuts with Flange, Locking Nuts with Polyamide Clamping Part

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: the flange nuts are suitable for home maintenance, decoration, furniture production, outdoor factories, equipment, DIY craft products, etc.
Specification size: we offer you according to DIN 6926 hexagonal flange nuts with plastic clamping part, you can choose flange axle nut bicycle according to the screws or bolt size, and different sizes can meet your flange locking nuts needs.
Practical functions: the stainless steel flange nut is often used due to the large contact surface for attaching adapter sheets and other components. The plastic clamping part experiences both elastic and plastic deformation when screwing in the flange clamping nuts, presses the tooth tip of the bolt firmly against the wedge surface of the self-locking thread, which creates a great locking force.
High-quality material: hexagonal nuts with flange self-locking made of durable A2 V2A 304 stainless steel and nylon, flange nut surface is smooth with metallic shine which has good corrosion, rust and oxidation resistance. It can also be used indoors, outdoors and in damp areas.
Easy to use: the stainless steel A2 flange stop nuts easy to install can be easily installed in tight spaces. Torque wrench and socket wrench are enough to tighten the hex nuts with flange, it can be disassembled and used at any time.

4,99 €