---
title: "15mm Flange Spectra — $167K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/15mm-flange-spectra"
last_updated: "2026-08-08T02:24:47.253Z"
locale: en
meta:
description: "Niche score 38/100 · $167K/yr market · 59K searches/yr · $15.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $167K/yr market · 59K searches/yr · $15.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "15mm Flange Spectra — $167K/yr Amazon US Niche (2026) - Flapen"
---
# **15mm flange spectra**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 35Growth 22Conversion 99Competition 21Returns 22Price range 72Avg price 77Brand share 13Review moat 29Quality gap 45
**Conversion**
**Incredible****17.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$15.74**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.24–$32.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$167K**
$167K/yr · 59K searches
**Review moat**
**Okay****3,627**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-6.1%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
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, 15mm flange spectra is a $167K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 38/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **15mm flange spectra market data**
- **Units sold / yr**
- **10K–13K**
- avg 750–1,000/product
- **Revenue / yr**
- **$157K–$197K**
- units × avg price
- **Conversion rate**
- **17.8%**
- **Avg BSR**
- **#50**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **7.0%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**9**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**3%**
- Maymom62% - Momstouch17% - NENESUPPLY8% - Suniceme5% - IVARONAL4% - CubCare3% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -6.1% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/baby-products/15mm-flange-spectra/trend)
## **Top 15mm flange spectra search terms**
- **15mm flange spectra**15K/yr-10.4%13.2% conv. - **15 mm flange spectra**10K/yr-5.3%14.0% conv. - **spectra flange 15mm**11K/yr-11.6%16.1% conv. - **15mm flange**7K/yr-2.2%9.3% conv. - **spectra 15mm flange**5K/yr+7.8%18.3% conv. - **spectra 15mm flange set**5K/yr+4.6%16.7% conv. - **15 mm flange**4K/yr-11.9%8.9% conv. - **maymom 15mm flange spectra**2K/yr-4.1%22.6% conv. [**All search terms **](https://flapen.com/research/us/baby-products/15mm-flange-spectra/search-terms)
## **Top 15mm 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%$17K20%$33K30%$50K40%$67K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Maymom 15mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve**Maymom**$19.68**4.6★6,022 rev](https://www.amazon.com/dp/B0BLCW8SVC) [2**Momstouch 15mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.**Momstouch**$16.71**4.3★592 rev](https://www.amazon.com/dp/B0CKQ9B289) [3**Maymom 15mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Compatible with Syngergy Gold Motif Luna Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield**Maymom**$17.16**4.7★7,932 rev](https://www.amazon.com/dp/B0BJZJ2R61) [4**Nenesupply 15mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle**NENESUPPLY**$12.04**4.7★3,324 rev](https://www.amazon.com/dp/B0CP8X7Z5G) [5**15mm 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**$15.59**4.5★8,889 rev](https://www.amazon.com/dp/B0CCHYBRP7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 15MM Flange and 4-Pack Duckbill Valves**CubCare**$9.74**119 rev2mo ago](https://www.amazon.com/dp/B0GXRRBPMT) [**BALIME Pump Parts Compatible with Spectra S1/S2/9 Plus 2Pcs Duckbill Valves and 2Pcs 15mm Flange (Not Original Spectra Accessories)**BALIME**$10.10**129 rev11mo ago](https://www.amazon.com/dp/B0FK25THSQ) [**2 Packs 15mm Flange Set Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories 106 Degree Wider Opening Angel**IVARONAL**$15.52**170 rev1y ago](https://www.amazon.com/dp/B0F18KLGDH) [**Flange Inserts 15mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges Reduce 24mm Nipple Tunnel Down to 15 mm 4PCS**Suniceme**$8.24**971 rev2y ago](https://www.amazon.com/dp/B0CW1P5GRJ) [**Momstouch 15mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.**Momstouch**$16.71**592 rev2y ago](https://www.amazon.com/dp/B0CKQ9B289)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 15MM Flange and 4-Pack Duckbill Valves**CubCare**$9.74**4.4★**▲ 262%**](https://www.amazon.com/dp/B0GXRRBPMT) [**15mm 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**$15.59**4.5★**▲ 76%**](https://www.amazon.com/dp/B0CCHYBRP7) [**Maymom 15mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Compatible with Syngergy Gold Motif Luna Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield**Maymom**$17.16**4.7★**▲ 57%**](https://www.amazon.com/dp/B0BJZJ2R61) [**2 Packs 15mm Flange Set Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories 106 Degree Wider Opening Angel**IVARONAL**$15.52**3.9★**▲ 54%**](https://www.amazon.com/dp/B0F18KLGDH) [**BALIME Pump Parts Compatible with Spectra S1/S2/9 Plus 2Pcs Duckbill Valves and 2Pcs 15mm Flange (Not Original Spectra Accessories)**BALIME**$10.10**4.4★**▲ 43%**](https://www.amazon.com/dp/B0FK25THSQ)
**~~View all trending →~~**
## **What buyers say about 15mm flange spectra**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**46%
*“Fits spectra”*
**Comfort-Overall**14%
*“Comfortable”*
**Ease Of Cleaning**11%
*“easy to clean”*
**Ease Of Use**6%
*“omg these made it so much easier”*
**Advertised Vs Actual Product**4%
*“Just what I needed”*
**Durability**2%
*“These are durable”*
**Compatibility-Overall**2%
*“it is compatible”*
**Quality-Overall**2%
*“Great quality”*
**Breastfeeding Friendly**2%
*“Helps my milk production”*
### **What buyers complain about **
**Size-Overall**19%
*“the backflow pieces do not fit”*
**Functionality-Overall**15%
*“they did not work great”*
**Quality-Overall**12%
*“Not well made”*
**Washability**8%
*“constant hot water washes”*
**Leak-Proof**8%
*“If they dont seal *just right* then you end up with a silent leak”*
**Ease Of Cleaning**4%
*“It is very hard to clean”*
**Locking Mechanism**4%
*“do not lock in place or stay screwed on”*
**Durability**4%
*“Both rims broke off the flange within a few weeks”*
**Advertised Vs Actual Product**4%
*“The description says that its supportive of spectra pumps but the backflow pieces do not fit!!”*
**Value For Money**4%
*“It has almost cost me my milk supply”*
### **Top return reasons **
**Size-Overall**80%
**Width**4%
**Functionality-Overall**4%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**2%
**Compatibility-Overall**1%
**Breastfeeding Friendly**1%
**Value For Money**1%
**Product Condition**1%
**Material Quality**1%
## **Common questions**
- **Is 15mm flange spectra profitable to sell on Amazon United States?**
- The niche generates $167K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.1%. Flapen's verdict: Skip it (38/100).
- **How competitive is the 15mm flange spectra niche?**
- 7 brands and 9 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in 15mm flange spectra?**
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Quality-Overall. The return rate is 5.7% — above our launch gate.
- **When does demand for 15mm flange spectra peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 15mm flange spectra niche?**
- Listings span $8.24–$32.48; the average listing price is $15.74 (sweet spot $15–$100). The average incumbent carries 3,627 reviews — the moat a new listing must climb.
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