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The Best 21mm breast shield medela of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 21mm breast shield medela of 2022. Check our ranking below.

2,659 Reviews Scanned

Rank No. #1
PumpMom 21mm Breast Pump Shields Flanges for Medela, Replace Flange Compatible with Medela Breast Pumps PersonalFit, Freestyle, Maxi, Freestyle Flex Connector 
PumpMom 21mm Breast Pump Shields Flanges for Medela, Replace Flange Compatible with Medela Breast Pumps PersonalFit, Freestyle, Maxi, Freestyle Flex Connector 
  • Compatible with Medela pump parts: Pumpmom Breastshield works with Medela New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex.
  • Comfort factor: The flex breast shield with soft rim, create a much more natural fit during pumping session.
  • Improved breast pumping efficiency: The flex shield uses upgraded 106° wide angle opening, obtain maximum comfort and pumping efficiency.
  • Easy to use: Easy to install / remove and clean. Work with most Medela breast pumps.
  • Material safety: Made with Food Grade Material, BPA Free. Sealed by the manufacturer.
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Rank No. #2
Maymom MyFit 21mm Two-Piece Design Small Breastshields, Compatible with Medela Breast Pump; Ideal for HandsFree Bra; Not Original PersonalFit Flex Breast Shield,Not Original Freestyle Pump Parts, 2pcs
Maymom MyFit 21mm Two-Piece Design Small Breastshields, Compatible with Medela Breast Pump; Ideal for HandsFree Bra; Not Original PersonalFit Flex Breast Shield,Not Original Freestyle Pump Parts, 2pcs
  • 2x shields (21 mm, suitable for mothers with nipple diameter AFTER pumping 19-20 mm) , Compatible with 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). NOTE: connectors are not included in this listing. Also known as small breastshield, compatible with Medela 21 mm shield.
  • US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;
  • Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts. The shields are also compatible with Lansinoh SignaturePro SmartPump Manual Pump, replace Lansinoh Pump Parts, Lansinoh Flanges
  • Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization.
  • Available in various sizes (10, 12, 13, 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 32mm) for purchase.
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Rank No. #3
Flange Inserts 13/15/17/19/21mm 5pcs,Suitable for Medela,Spectra 24mm Shields/Flanges,Willow Wearable Cups.Compatible with S9/S10/S12 Wearable Breast Pump,Reduce 24mm Tunnel Down to Correct Size,5PCS
Flange Inserts 13/15/17/19/21mm 5pcs,Suitable for Medela,Spectra 24mm Shields/Flanges,Willow Wearable Cups.Compatible with S9/S10/S12 Wearable Breast Pump,Reduce 24mm Tunnel Down to Correct Size,5PCS
  • GOCROWEEN Flange Inserts 13/15/17/19/21mm (5pcs Pack) are using for finding the right size for your nipples,compatible with Medela PersonalFit 24mm Shields,Spectra 24mm flanges,Willow 24mm flanges,Momcozy S9/S10/S12 Wearable Breastpump 24mm cups.It will reduce the 24-mm shield nipple tunnel down to Correct Size(not for 27mm shield)
  • Compatibility with any S9/S10/S12 Wearable Breast Pump,example for Momcozy,TSRETE,Luxlady,HAUTURE,eulumap,CPPSLEE, Cupood,Fisroa,Goldeep,Zybeauty,PADRAM,HAHOME,Kompoll,OMFMF,Paruu,LRKHFFD,Mumeasy.
  • This replacement part is also applicable to most other brands of the models for 24-25mm (Freemie),and compatible with MISSAA hands-free breastpump.
  • The size of your flange insert is important for comfort and efficient pumping.Some moms have the experience of nipple swelling while milking, so it is important to observe the appearance of the nipple during pumping. The flange insert is recommended to be replaced every 1 to 2 months.Please choose the right size .
  • BPA free,made of food-grade silicone,easy to clean.
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Rank No. #4
Durceler 21mm Silicone Flange Inserts Compatible with Medela / for Spectra S1 S2 / Rainyb / Willow go/ Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 21mm
Durceler 21mm Silicone Flange Inserts Compatible with Medela / for Spectra S1 S2 / Rainyb / Willow go/ Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 21mm
  • Durceler 21mm inserts (2pcs a Pack) to compatible with Medela / Spectra / Rainyb / Willow / Momcozy / TSRETE / FEISIKE / Bellababy MiniO / NCVI 24 mm breast shields. It will reduce the 24mm shield nipple tunnel down to 21mm. Also compatible with Freemie 25mm cups to reduce it down to 21mm. Also applicable to most other brands of the models for 24-25mm.
  • Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 18-20mm(after a pumping session), or measure the circumference of nipple base about 50.24 - 56.52mm before a pumping session.
  • Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output. It can be compatible with Spectra and Medela (Freestyle, Harmony, Sonata, and Swing-Maxi pumps) and other brands.
  • BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation.
  • Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.
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Rank No. #5
Loveishere 21mm Flange Inserts Compatible with Medela / Willow / TSRETE/ Momcozy S9 S10 S12/ Willow Wearable Cups & Spectra S1 S2, 24mm Breast Pump Shields Reduce Nipple Tunnel Down to 21mm, 2pcs
Loveishere 21mm Flange Inserts Compatible with Medela / Willow / TSRETE/ Momcozy S9 S10 S12/ Willow Wearable Cups & Spectra S1 S2, 24mm Breast Pump Shields Reduce Nipple Tunnel Down to 21mm, 2pcs
  • Loveishere 21mm inserts (2pcs a Pack) to compatible with Medela / Spectra / Elvie / Willow / TSRETE / Momcozy/ NCVI 24 mm breast shields. It will reduce the 24mm shield nipple tunnel down to 21mm. Also applicable to most other brands of the models for 24-25mm (Freemie).
  • It is BPA-free and ensures the highest level of safety for your baby.This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation.
  • This design is preferable great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output.
  • Easy to wash,cleaning by hot water or dishwasher top rack.So easy to clean that do not worry about the bacteria hidden in the corner of the pump.
  • Loveishere committed our lives to provide the best breast pumps, accessories, and customer care that we can, supporting every mother with the beauty of parenthood.Please feel free to contact us. No purchase risk here in Loveishere.
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SaleRank No. #6
Begical Flange Inserts 21mm for Medela/Spectra/Elvie/momcozy/tsrete/Willow/Motif Luna/Ameda MYA Breastpump 24mm Breast Shields. Reduce 24mm Nipple Tunnel Down to 21mm; 2pc/Each (21mm)
Begical Flange Inserts 21mm for Medela/Spectra/Elvie/momcozy/tsrete/Willow/Motif Luna/Ameda MYA Breastpump 24mm Breast Shields. Reduce 24mm Nipple Tunnel Down to 21mm; 2pc/Each (21mm)
  • Begical 21 mm inserts to use with Medela 24 mm shields. It will reduce the 24-mm shield nipple tunnel down to 21 mm. Great solution for small-nippled mothers using Medela freestyle, Medela Sonata, Medela Swing-Maxi pumps.
  • BPA free, made of silicone material.
  • Great solution for small-nippled mothers using Spectra and Medela Freestyle, Harmony, Sonata, and Swing-Maxi pumps, Proper nipple tunnel fit is essential for comfort and efficient milk output.
  • Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 18-20mm(after a pumping session) .
  • Also compatible with elvie wearable breastpump and motif luna and amada mya 24mm flange,Attention：Compatible with amada mya and motif luna 24mm flanges，after testing, the size of 24mm is smaller than others ，so it is relatively difficult to install it. It is necessary to push it into Nipple Tunnel as much as possible to make it fit.Moreover, it is more difficult to remove than others.
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Rank No. #7
Maymom Flange 21mm Insert Compatible with Medela/Spectra/Elvie/momcozy/tsrete/Willow/Motif Luna/Ameda MYA Breastpump 24mm Breast Shields. Reduce 24mm Niple Tunnel Down to 21mm
Maymom Flange 21mm Insert Compatible with Medela/Spectra/Elvie/momcozy/tsrete/Willow/Motif Luna/Ameda MYA Breastpump 24mm Breast Shields. Reduce 24mm Niple Tunnel Down to 21mm
  • Maymom 21 mm inserts compatible with most 24 mm shields. It will reduce the 24-mm shield nipple tunnel down to 21 mm. Great solution for small-nippled mothers using Medela Freestyle Flex, Medela Sonata, Medela Swing-Maxi, Pump in style and PIS with MaxFlow pumps.
  • BPA free, made of food-contact grade silicone material. Safe for babies and mothers
  • Great solution for small-nippled mothers using Spectra and Medela Freestyle, Harmony, Sonata and Swing-Maxi pumps. Proper nipple tunnel fit is essential for comfort and efficient milk output.
  • Compatible with Elvie wearable breastpump and Motif Luna and Amada Mya and Mya Pro 24mm flange but NOT Mya Joy. NOTE: Because the ID of the Motif Luna and Ameda Mya flange shaft is smaller, you will need a little extra force to install/remove Maymom inserts into/off the shaft.
  • Not compatible with Ameda 25 mm Purely Yours Flange or Mya Joy. In this case, buy the long version of the Maymom inserts
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Rank No. #8
Flange Inserts 13/15/17/19/21mm for Medela,Spectra 24mm Shields/Flanges,Compatible with TSRETE,CPPSLEE,Momcozy S9/S9Pro/S12/S12Pro Wearable Breast Pump,Reduce 24mm Nipple Tunnel Down to 5pcs
Flange Inserts 13/15/17/19/21mm for Medela,Spectra 24mm Shields/Flanges,Compatible with TSRETE,CPPSLEE,Momcozy S9/S9Pro/S12/S12Pro Wearable Breast Pump,Reduce 24mm Nipple Tunnel Down to 5pcs
  • Flange Inserts 13mm*2&15mm*2 (4pcs Pack) are using for finding the right size for your nipples,compatible with Medela PersonalFit 24mm Shields,Spectra 24mm flanges,Willow 24mm flanges,Momcozy S9/S9Pro/S12/S12Pro Wearable Breastpump 24mm cups.It will reduce the 24-mm shield nipple tunnel down to Correct Size(not for 27mm shield)
  • Compatibility with any S9/S9Pro/S12/S12Pro Wearable Breast Pump,example for Momcozy,TSRETE,Luxlady,HAUTURE,eulumap,CPPSLEE,Cupood,Fisroa,Goldeep,Zybeauty,PADRAM,HAHOME,Kompoll,OMFMF,Paruu,LRKHFFD,Mumeasy.
  • This replacement part is also applicable to most other brands of the models for 24-25mm (Freemie),and compatible with MISSAA hands-free breastpump.
  • The size of your flange insert is important for comfort and efficient pumping.Some moms have the experience of nipple swelling while milking, so it is important to observe the appearance of the nipple during pumping. The flange insert is recommended to be replaced every 1 to 2 months.Please choose the right size .
  • BPA free,made of food-grade silicone,easy to clean.
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Rank No. #9
LOZAEVE 21mm Silicone Flange Inserts for Spectra S1 S2, Medela Breast Pump Shields, Freestyle, Harmony, Sonata to Reduce 24mm Elastic Nipple Tunnel Down to 21mm; Also Fits Freemie 25mm Cups; 2pc/Each
LOZAEVE 21mm Silicone Flange Inserts for Spectra S1 S2, Medela Breast Pump Shields, Freestyle, Harmony, Sonata to Reduce 24mm Elastic Nipple Tunnel Down to 21mm; Also Fits Freemie 25mm Cups; 2pc/Each
  • LOZAEVE 21mm inserts compatible with Medela/Spectra 24 mm breast shields. It will reduce the 24mm shield nipple tunnel down to 21mm. Also fits Freemie 25mm cups to reduce it down to 21mm.
  • Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 18-20mm(after a pumping session) , or measure the circumference of nipple base about 50.24 - 56.52mm before a pumping session.
  • Great solution for small-nippled mothers using Spectra and Medela Freestyle, Harmony, Sonata, and Swing-Maxi pumps, Proper nipple tunnel fit is essential for comfort and efficient milk output.
  • BPA free, made of silicone material.
  • Maintain compatibility with most Breast pump shields on different brands, with they original 24/25mm detachable shields having this insert inside.
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Rank No. #10
LOZAEVE 21mm Silicone Flange Insert | Reduce 24mm Elastic Nipple Tunnel Down to 21mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC
LOZAEVE 21mm Silicone Flange Insert | Reduce 24mm Elastic Nipple Tunnel Down to 21mm | for Spectra, Momcozy S9 S10 S12, Willow go Flange Inserts, Medela, Freemie Breast Pump Inserts Shields, 2PC
  • LOZAEVE 21mm inserts to compatible with Willow / Momcozy / TSRETE / Rainyb / NCVI / Bellababy MiniO, Pocket / Maymom / Spectra S1, S2 / Medela (PersonalFit Flex, Harmony, Freestyle, Swing Maxi, Sonata, and Symphony) 24mm breast shields. It will reduce the 24mm shield nipple tunnel down to 21mm. Also compatible with some 25mm cups (Freemie).
  • Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 18-20mm(after a pumping session), or measure the circumference of nipple base about 50.24 - 56.52mm before a pumping session.
  • Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output.
  • BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation.
  • Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.
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Last update on 2023-05-29 / Affiliate links / Images from Amazon Product Advertising API

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 21mm breast shield medela that you consider buying. Your questions might include the following:

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  1. Brand Value: Every brand of 21mm breast shield medela has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 21mm breast shield medela.
  5. Customer Ratings: Number ratings grade 21mm breast shield medela objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 21mm breast shield medela.
  7. Product Quality: You don’t always get what you pay for with an 21mm breast shield medela, sometimes less, and sometimes more.
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