Why I Swear by the Medela Hand Pump Flange: My Personal Experience and Expert Insights
As a new parent navigating the often overwhelming world of breastfeeding, I quickly realized that choosing the right tools could make all the difference in my journey. One product that stood out to me was the Medela Hand Pump Flange. While it might seem like just a small component of the pumping process, this essential piece of equipment plays a crucial role in comfort and efficiency. I found myself diving into the intricacies of the flange—its size, shape, and material—discovering how these factors can significantly impact my pumping experience. In this article, I want to share my insights and experiences with the Medela Hand Pump Flange, highlighting its importance in achieving a successful and enjoyable breastfeeding routine. Whether you’re a seasoned pro or just starting out, understanding this often-overlooked tool can empower you on your breastfeeding journey.
I Tried Out The Medela Hand Pump Flange and Share My Honest Recommendations Below

Nenesupply 19mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 19mm Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex

Medela Medela Breast Shields – PersonalFit Flex, 21mm Medela Breast Shield Shaped Around You for Comfortable and Efficient Pumping, Made Without BPA, Pack of 2 Breastshields, Clear, 21mm

Nursi Luna Flange Sizing Kit 3 in 1 Ultimate with 10PCS Flange Inserts 13/15/17/19/21mm, Nipple Ruler, Cleaning Brush, Silicone Flange Insert Kit for 24mm Most Pumps, Pumping Breastfeeding Essentials

Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk
1. Nenesupply 19mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 19mm Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex

As a new mom, I understand the importance of finding the right breastfeeding accessories that not only make the experience more comfortable but also efficient. The Nenesupply 19mm Oval Flanges are a game-changer when it comes to breast pumping. Designed to be compatible with various Medela breast pump parts, including the Pump in Style and Symphony models, these flanges provide an excellent replacement option for mothers looking to enhance their pumping experience. It’s reassuring to know that I have options that work seamlessly with my existing equipment.
One of the standout features of these flanges is the soft and flexible rims that naturally fit the breast shape. As someone who has experienced the discomfort of hard plastic flanges, I appreciate that the Nenesupply flanges include a built-in extension to alleviate that issue. This thoughtful design minimizes rubbing against the skin, allowing me to focus on what truly matters providing for my baby without discomfort. This is especially significant during the early days of motherhood when every moment counts.
The oval shape of the flanges is another impressive aspect. With the ability to rotate 360 degrees, I can easily find the most comfortable position for pumping. Flexibility in positioning is crucial for many moms, and I find that being able to adjust the angle helps me get a better seal, thereby maximizing milk output. The 105-degree wider angle further supports a pressure-free seal, ensuring that my nipples are closer to the tunnel for efficient milk extraction. This design reduces the discomfort and pressure that can often accompany pumping sessions, making it an ideal choice for busy moms like me.
Moreover, the compatibility of the Nenesupply flanges with various pump models adds to their appeal. Knowing that I can use these flanges with not only my Medela pump but also with Personalfit connectors and even handfree bras is a huge convenience. For someone who values practicality, this feature stands out. It means I can easily transition from one setup to another without the hassle of changing equipment. Plus, the flanges are dishwasher safe, making them easy to clean—a must-have for any busy mom!
Safety is a top priority for me, especially when it comes to products for my baby. The Nenesupply flanges are BPA and DEHP free, having undergone independent lab testing to ensure they are safe for use. This gives me peace of mind as I navigate the challenges of motherhood. It’s important to me that I choose products that prioritize both my comfort and my baby’s safety, and these flanges certainly meet that criterion.
the Nenesupply 19mm Oval Flanges are not just a simple accessory; they are a thoughtfully designed solution for breastfeeding mothers. Their comfort, compatibility, and safety features make them a worthy investment for anyone serious about their pumping routine. I genuinely believe that these flanges can enhance the breastfeeding experience, making it more comfortable and efficient. If you’re on the fence about which flanges to choose, I encourage you to give the Nenesupply flanges a try. They may just be the answer to your pumping needs!
Feature Description Compatibility Works with Medela Pump in Style Advanced, Symphony, Lactina, and more. Material BPA and DEHP Free, tested for safety. Design Soft and flexible rims, oval shape for 360-degree rotation. Seal Wider angle (105 degrees) for a pressure-free seal. Cleaning Dishwasher safe, easy to clean and maintain.
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2. Medela Medela Breast Shields – PersonalFit Flex, 21mm Medela Breast Shield Shaped Around You for Comfortable and Efficient Pumping, Made Without BPA, Pack of 2 Breastshields, Clear, 21mm

As a new parent, I know how vital it is to have the right tools to support my breastfeeding journey. The Medela Breast Shields – PersonalFit Flex, 21mm, have truly been a game changer for me. These breast shields are designed to adapt to my body, ensuring that I can pump comfortably, regardless of the position I choose. The innovative Medela Flex technology is a standout feature, allowing for a 105-degree opening angle that significantly reduces pressure on my breast. This means I can pump for longer periods without discomfort, which is essential for maintaining my milk supply.
One of the most impressive aspects of these breast shields is their efficiency. With the PersonalFit Flex design, I have been able to remove an impressive 11.8% more milk per minute compared to traditional breast shields. As someone who is keen on optimizing milk output for my baby, this feature has been a relief. It feels great to know that I can provide for my child more effectively, making each pumping session productive and less time-consuming.
Another factor that stands out to me is the variety of sizes available. With four size options, including the 30mm breast shield, Medela ensures that every mom can find the perfect fit for her unique body. This thoughtful design helps avoid discomfort and makes the pumping experience much more pleasant. Knowing that I have the option to choose the best size for myself gives me confidence and comfort during each session.
Health and safety are also a top priority for me, and I appreciate that these breast shields are made without BPA. Medela’s commitment to using food-grade plastic means I can use their products with peace of mind, knowing that they are safe for my baby. Additionally, the convenience of having connectors sold separately allows me to customize my pumping setup to fit my specific needs.
In summary, the Medela PersonalFit Flex breast shields have significantly improved my pumping experience. They provide comfort, enhance efficiency, and ensure safety, making them an essential addition to my breastfeeding toolkit. If you’re a new mom looking to streamline your pumping sessions and maximize your milk output, I highly recommend considering these breast shields. They have made a noticeable difference for me, and I believe they can do the same for you.
Feature Description Innovative Flex Technology Adapts to your body for comfortable pumping in various positions with a 105-degree opening angle. Increased Milk Output Removes 11.8% more milk per minute compared to traditional breast shields. Variety of Sizes Available in four sizes, including 30mm, for a customized fit. BPA-Free Material Made with food-grade plastic, ensuring safety for you and your baby. Easy Maintenance Wash and sanitize before first use, and after each use. Sanitize daily.
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3. Nursi Luna Flange Sizing Kit 3 in 1 Ultimate with 10PCS Flange Inserts 13/15/17/19/21mm, Nipple Ruler, Cleaning Brush, Silicone Flange Insert Kit for 24mm Most Pumps, Pumping Breastfeeding Essentials

As a new mom navigating the world of breastfeeding and pumping, I know firsthand how overwhelming it can be to find the right products that not only support our needs but also enhance our experience. That’s why I was thrilled to come across the Nursi Luna Flange Sizing Kit 3 in 1 Ultimate. This thoughtfully designed kit has been developed by an IBCLC (International Board Certified Lactation Consultant), which immediately gave me confidence in its effectiveness. The kit is essential for new moms like me, aiming to enhance comfort and pumping efficiency while addressing common challenges we face during breastfeeding.
One of the standout features of this kit is its highly compatible design. With 10 flange inserts in sizes 13/15/17/19/21mm, I found it incredibly easy to find the right fit for my needs. The fact that the kit is designed to fit most pumps with 24mm flanges is a huge plus, as it alleviates the stress of compatibility issues. However, it’s important to note that it’s not compatible with 27-28mm shields, so if you have larger flanges, you may want to keep that in mind. This variety ensures that I can adjust to my changing body as I continue my breastfeeding journey.
One of the most enlightening aspects of using this kit is the inclusion of a nipple ruler. As I learned, nipple size can change during different breastfeeding stages, which can be confusing when trying to select the right flange size. The nipple ruler is based on IBCLC recommendations, providing precise sizing that ensures a perfect fit for efficient pumping. This feature alone has significantly enhanced my pumping experience, allowing me to pump comfortably and effectively without the worry of discomfort or ineffectiveness.
Safety is always a concern for us moms, and I am pleased to report that the Nursi Luna Flange Sizing Kit is made from food-grade silicone that is BPA-free. It’s easy to clean and even dishwasher safe, which is a major convenience during those busy days filled with baby care. Additionally, the kit includes a sponge cleaning brush, making maintenance a breeze. I appreciate the recommendation to replace the breast pump flange insert every two months for optimal performance, as it ensures that I am using safe and effective tools for my pumping routine.
If you’re looking for the perfect gift for a new mom, I can’t recommend the Nursi Luna Flange Sizing Kit enough. This kit not only helps mothers quickly and comfortably find the right size but also ensures a smooth pumping experience. The thoughtful design and safety features maximize the performance of breast pumps, making it a valuable addition to any new mom’s breastfeeding essentials.
if you’re a new mom or know someone who is, the Nursi Luna Flange Sizing Kit 3 in 1 is a must-have. It combines comfort, safety, and efficiency, all backed by the expertise of an IBCLC. Trust me, investing in this kit will enhance your breastfeeding journey and make pumping a much more enjoyable experience. Don’t hesitate; grab yours today and experience the difference!
Feature Description Developed by IBCLC Enhances comfort and pumping efficiency for new moms. Variety of Sizes Includes 10 flange inserts 13/15/17/19/21mm, fitting most pumps with 24mm flanges. Nipple Ruler Provides precise sizing based on IBCLC recommendations for optimal comfort. Safety Features Made from food-grade silicone, BPA-free, easy to clean, and dishwasher safe. Perfect Gift Helps new moms find the right size quickly and safely, enhancing their pumping experience.
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4. Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk

As a new parent, I understand the importance of finding the right tools to make breastfeeding and expressing milk as smooth and efficient as possible. That’s why I want to share my thoughts on the Medela Manual Breast Pump with Flex Shields, specifically the Harmony model. This product is designed with both comfort and efficiency in mind, and I believe it can make a significant difference for breastfeeding moms like me.
One of the standout features of the Medela Harmony manual breast pump is its LIGHT AND DISCREET design. It fits easily into my handbag, which means I can take it with me wherever I go—whether I’m at home, at work, or out running errands. This portability is incredibly valuable, especially for busy moms who need the flexibility to pump on the go without being tethered to a bulky electric pump. I appreciate that I can express milk without drawing too much attention, making it a perfect companion for my daily activities.
The FLEX TECHNOLOGY incorporated into the pump is another aspect that I truly admire. The unique 105-degree angle and oval shape of the breast shield, along with the soft rim, provide an excellent fit that enhances comfort while I pump. When it comes to expressing milk, comfort is key, and the design of this breast shield allows me to relax and focus on the task at hand. This ultimately leads to more milk being expressed per session, which is a huge plus for me as I strive to maintain a healthy milk supply for my baby.
What really sets the Medela Harmony apart is its RESEARCH-BASED TECHNOLOGY. The pump utilizes 2 Phase Expression technology that mimics the natural sucking behavior of a baby. I’ve noticed that this feature makes the pumping experience feel more natural and effective. It’s comforting to know that the design is backed by research, and I can trust that I’m using a product that’s been developed with the needs of breastfeeding mothers in mind. This technology has not only improved my milk output but has also made the entire process more efficient.
When it comes to EASE OF USE, the Medela Harmony does not disappoint. The pump is straightforward to operate, which is a relief during those busy and often exhausting days with a newborn. It’s also easy to clean, allowing me to spend more quality time with my baby rather than worrying about complicated maintenance. Simplicity in design and functionality means that I can focus on what truly matters—bonding with my little one.
Additionally, the package includes everything I need to get started the Harmony breast pump (with handle, diaphragm, and stem), a 24mm PersonalFit Flex Breast Shield, a 5oz/150mL breast milk bottle with a lid and stand, a Harmony connector, a valve, and a membrane. This comprehensive set ensures that I have all the necessary components right out of the box, which is incredibly convenient for first-time users like me.
Feature Description Light and Discreet Compact design allows for easy portability, fitting into handbags for on-the-go pumping. Flex Technology 105-degree angle and soft rim for optimal comfort and increased milk expression. Research-Based Technology 2 Phase Expression mimics natural baby sucking for a more effective pumping experience. Ease of Use Simple to operate and clean, freeing up time for baby bonding. Complete Set Includes all necessary components to start pumping right away.
the Medela Manual Breast Pump with Flex Shields Harmony is an exceptional choice for anyone looking to simplify their breastfeeding journey. With its user-friendly design, innovative technology, and comfort-focused features, I genuinely believe that it can make a positive impact on the lives of new mothers. If you’re in the market for a reliable and effective manual pump, I encourage you to consider the Medela Harmony. It has certainly made my experience easier and more enjoyable, and I think it could do the same for you!
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How the Medela Hand Pump Flange Helps Me
As a breastfeeding mother, finding the right tools to support my pumping journey has been crucial, and the Medela Hand Pump Flange has become an essential part of my routine. One of the primary benefits I’ve experienced is the comfort it provides. The flange is designed to fit securely and comfortably, which makes the pumping process less daunting. I remember when I first started pumping; discomfort was a common issue. With the Medela flange, I found that the soft edges and ergonomic shape minimized any irritation, allowing me to focus on the task at hand.
Another significant advantage is the convenience it offers. The hand pump is lightweight and portable, making it easy for me to carry around. Whether I’m at home, at work, or on the go, I can easily pump whenever I need to. The flange’s simple design allows for quick assembly and disassembly, which is especially helpful during busy moments. I appreciate being able to take a few minutes to pump without needing to set up complicated equipment.
Lastly, I love how the Medela Hand Pump Flange promotes a sense of control over my pumping experience. Using a hand pump allows me to adjust the suction to my comfort level, which has been incredibly
Buying Guide for Medela Hand Pump Flange
Understanding the Importance of the Flange
When I first started my breastfeeding journey, I quickly learned that the flange is a crucial component of any breast pump. It’s the part that fits over the breast and creates the necessary suction to express milk. Choosing the right flange can make a world of difference in comfort and efficiency.
Size Matters
I discovered that flanges come in various sizes. It’s essential to find the right size to ensure an effective pumping session. A flange that is too small can cause pain, while one that is too large might not create the right suction. I recommend measuring your nipple diameter to find the best fit.
Material and Comfort
The material of the flange can significantly impact my pumping experience. I prefer a flange made from soft, flexible materials that provide comfort during use. A flange that feels good against my skin helps me relax and focus on expressing milk.
Compatibility with My Pump
Before purchasing a flange, I always check its compatibility with my Medela hand pump. Some flanges are designed specifically for certain models, so I make sure to verify that it will fit my pump correctly. This ensures that I get the best performance from my equipment.
Ease of Cleaning
Cleaning the flange is essential for maintaining hygiene, especially since I use it frequently. I look for flanges that are easy to disassemble and clean. A simple design allows me to quickly wash and sanitize my pumping equipment without hassle.
Adjustable Features
Some flanges offer adjustable features that can enhance my pumping experience. I find it helpful if the flange has options for angle adjustments or removable inserts. This flexibility allows me to customize my setup for maximum comfort and efficiency.
Cost Considerations
While I want a high-quality flange, I also consider my budget. I’ve seen a range of prices, so I compare my options. It’s essential to find a balance between cost and quality, ensuring I invest in a flange that meets my needs without breaking the bank.
Reviews and Recommendations
Before making my final decision, I like to read reviews from other users. Their experiences help me gauge the performance and comfort level of the flange. I often find valuable insights that guide my choice and enhance my confidence in the purchase.
Final Thoughts
choosing the right Medela hand pump flange is a personal journey. I take the time to evaluate size, material, compatibility, and ease of cleaning. By considering these factors, I ensure a more comfortable and effective pumping experience. Happy pumping!
Author Profile

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Hi there, I'm Joshua Carney, a chef deeply invested in the culinary arts. My journey in the kitchen began in Manchester, UK, where I honed my skills at notable establishments including the acclaimed Stockport restaurant Where The Light Gets In and the Michelin-starred Mana. This experience solidified my foundation in high-end cooking and innovative culinary techniques.
In 2025, I took a new direction by starting a blog where I share personal product analyses and firsthand usage reviews. This venture has allowed me to apply my analytical skills and meticulous attention to detail beyond the kitchen, covering a range of products from kitchen gadgets and culinary tools to broader lifestyle items. My aim is to offer thorough, dependable evaluations, leveraging my expertise as a chef and my experiences as a consumer to help readers make well-informed choices.
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