---
title: "14mm Flange Spectra — $57K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/14mm-flange-spectra"
last_updated: "2026-08-07T23:57:59.806Z"
locale: en
meta:
description: "Niche score 32/100 · $57K/yr market · 29K searches/yr · $12.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $57K/yr market · 29K searches/yr · $12.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "14mm Flange Spectra — $57K/yr Amazon US Niche (2026) - Flapen"
---
# **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 21Price 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
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****6.2%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$57K**
$57K/yr · 29K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, 14mm flange spectra is a $57K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 32/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **14mm flange spectra market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$63K–$76K**
- units × avg price
- **Conversion rate**
- **15.6%**
- **Avg BSR**
- **#27**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **244 days**
## **Competition & brand share**
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%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- BDICOVE43% - Maymom32% - Momstouch14% - IVARONAL8% - LOZAEVE4%
## **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
[**Open Trend **](https://flapen.com/research/us/baby-products/14mm-flange-spectra/trend)
## **Top 14mm flange spectra search terms**
- **14mm flange insert**10K/yr+0.6%13.3% conv. - **14 mm flange insert**7K/yr+10.7%14.1% conv. - **14mm flange spectra**4K/yr-7.3%15.6% conv. - **14 mm flange spectra**3K/yr-11.0%16.6% conv. - **spectra flange 14mm**3K/yr+15.8%18.5% conv. - **14mm flange**3K/yr-16.7%10.8% conv. [**All search terms **](https://flapen.com/research/us/baby-products/14mm-flange-spectra/search-terms)
## **Top 14mm flange spectra products on Amazon**
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**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**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**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.**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**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**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**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**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)**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**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**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**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**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**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**IVARONAL**$8.02**4.3★**▲ 23%**](https://www.amazon.com/dp/B0F43KY96B)
**~~View all trending →~~**
## **What buyers say about 14mm flange spectra**
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%
## **Common questions**
- **Is 14mm flange spectra profitable to sell on Amazon United States?**
- The niche generates $57K/yr across 11 tracked products. 90-day search growth is +0.1%. Flapen's verdict: Skip it (32/100).
- **How competitive is the 14mm flange spectra niche?**
- 5 brands and 6 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 14mm flange spectra?**
- Top complaints mined from reviews: Size-Overall, Product Condition, Durability. The return rate is 6.2% — above our launch gate.
- **What does it cost to enter the 14mm flange spectra niche?**
- Listings span $6.95–$19.53; the average listing price is $12.59 (sweet spot $15–$100). The average incumbent carries 2,875 reviews — the moat a new listing must climb.
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