---
title: "14mm flange spectra — Niche Verdict: Skip it (32/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/14mm-flange-spectra"
last_updated: "2026-07-14T00:24:57.668Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — 14mm flange spectra doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — 14mm flange spectra doesn't clear our bar today."
  "og:title": "14mm flange spectra — Niche Verdict: Skip it (32/100) | Amazon United States - Flapen"
---

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# **14mm flange spectra**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 14Growth 25Conversion 97Competition 21Returns 24Price range 36Avg price 55Brand share 0Review moat 36Quality gap 43

**Conversion**

**Incredible****15.6%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Good****$12.59**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,875.36**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****$6.95–$19.53**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Okay****+0.1%**

90-day search growth — must beat 0% to launch

**Returns**

**Bad****6.2%**

return rate — above 6% kills the launch gate

**Competition**

**Bad****75%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$57K**

$57K/yr · 29K searches

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **▼falling

**Sellers**

**6**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- BDICOVE43% - Maymom32% - Momstouch14% - IVARONAL8% - LOZAEVE4%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$6K20%$11K30%$17K40%$23K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange](https://m.media-amazon.com/images/I/41GrmHxr0mL.jpg)**4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange**BDICOVE**$7.90**4.5★635 rev](https://www.amazon.com/dp/B0DS716JWH) [2![Maymom 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus. Not Original Spectra Pump Parts. Replace S2 Pump Parts Flange Duckbill Valve](https://m.media-amazon.com/images/I/31LuORRC6qL.jpg)**Maymom 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus. Not Original Spectra Pump Parts. Replace S2 Pump Parts Flange Duckbill Valve**Maymom**$19.53**4.6★6,022 rev](https://www.amazon.com/dp/B0BLCV6X9R) [3![Maymom 14mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield](https://m.media-amazon.com/images/I/41WKrakYvbL.jpg)**Maymom 14mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield**Maymom**$17.61**4.7★7,932 rev](https://www.amazon.com/dp/B0BJZ5Y57D) [4![Momstouch 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.](https://m.media-amazon.com/images/I/414G-ognWRL.jpg)**Momstouch 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.**Momstouch**$16.61**4.3★592 rev](https://www.amazon.com/dp/B0CKQB883S) [5![6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange](https://m.media-amazon.com/images/I/31-PkQHosgL.jpg)**6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange**BDICOVE**$8.93**4.5★253 rev](https://www.amazon.com/dp/B0F1T49J2W)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump](https://m.media-amazon.com/images/I/41g4zjnMJeL.jpg)**4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump**IVARONAL**$8.02**798 rev1y ago](https://www.amazon.com/dp/B0F43KY96B) [![6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange](https://m.media-amazon.com/images/I/31-PkQHosgL.jpg)**6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange**BDICOVE**$8.93**253 rev1y ago](https://www.amazon.com/dp/B0F1T49J2W) [![4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange](https://m.media-amazon.com/images/I/41GrmHxr0mL.jpg)**4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange**BDICOVE**$7.90**635 rev1y ago](https://www.amazon.com/dp/B0DS716JWH) [![IVARONAL Flange Insert 2PCS 14mm Compatible with Momcozy M9/M6/M5/S12 Pro/V1 Pro/V2 pro Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges (2pcs-14mm)](https://m.media-amazon.com/images/I/31HN5-t8t5L.jpg)**IVARONAL Flange Insert 2PCS 14mm Compatible with Momcozy M9/M6/M5/S12 Pro/V1 Pro/V2 pro Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges (2pcs-14mm)**IVARONAL**$6.95**848 rev1y ago](https://www.amazon.com/dp/B0DN129ML9) [![14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs](https://m.media-amazon.com/images/I/31eoagBsQZL.jpg)**14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs**Maymom**$15.61**8,889 rev2y ago](https://www.amazon.com/dp/B0D7VJDD8K)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Momstouch 14mm Flange Compatible with Spectra S1 S2 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts and Flange; Not Original; Replaces Shield](https://m.media-amazon.com/images/I/417QGufEAJL.jpg)**Momstouch 14mm Flange Compatible with Spectra S1 S2 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts and Flange; Not Original; Replaces Shield**Momstouch**$15.55**4.6★**▲ 148%**](https://www.amazon.com/dp/B0CM3KXWB2) [![14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs](https://m.media-amazon.com/images/I/31eoagBsQZL.jpg)**14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs**Maymom**$15.61**4.5★**▲ 95%**](https://www.amazon.com/dp/B0D7VJDD8K) [![LOZAEVE 14mm Flange Insert Compatible with 24mm Flange/Shield of Breast Pumps for Momcozy S9 Pro S10 S12 Pro Medela Spectra Elvie Stride TSRETE S18 S21 S23 Bellababy kmaier NCVI MomMed BIOBOO](https://m.media-amazon.com/images/I/316hernXiOL.jpg)**LOZAEVE 14mm Flange Insert Compatible with 24mm Flange/Shield of Breast Pumps for Momcozy S9 Pro S10 S12 Pro Medela Spectra Elvie Stride TSRETE S18 S21 S23 Bellababy kmaier NCVI MomMed BIOBOO**LOZAEVE**$7.06**4.5★**▲ 56%**](https://www.amazon.com/dp/B0CGX526ZY) [![6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange](https://m.media-amazon.com/images/I/31-PkQHosgL.jpg)**6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange**BDICOVE**$8.93**4.5★**▲ 32%**](https://www.amazon.com/dp/B0F1T49J2W) [![4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump](https://m.media-amazon.com/images/I/41g4zjnMJeL.jpg)**4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump**IVARONAL**$8.02**4.3★**▲ 23%**](https://www.amazon.com/dp/B0F43KY96B)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 10 weeks — +0.1% search growth over the last 90 days.

600400May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**33%

*“Fit is good”*

**Compatibility-Overall**22%

*“Compatible with multiple pumps”*

**Ease Of Use**17%

*“Super easy to use”*

**Quality-Overall**8%

*“Wonderful product”*

**Advertised Vs Actual Product**8%

*“Product is as described”*

**Durability**6%

*“theyve held up well”*

**Value For Money**6%

*“Good price and does what you need”*

### **What buyers complain about **

**Size-Overall**40%

*“Inconsistent sizing”*

**Product Condition**20%

*“Disgusting - used product sent”*

**Durability**20%

*“They don't last very long”*

**Stuck/Fused Together**10%

*“Nipples are beat up”*

**Quality-Overall**10%

*“Peice of garbage”*

### **Top return reasons **

**Size-Overall**83%

**Advertised Vs Actual Product**3%

**Functionality-Overall**3%

**Width**2%

**Defective Material/Parts**1%

**Compatibility-Overall**1%

**Material Quality**1%

**Value For Money**1%

**Breastfeeding Friendly**1%

**Shape/Style**1%