---
title: "F15t8 — $49K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/f15t8"
last_updated: "2026-08-09T02:14:05.738Z"
locale: en
meta:
description: "Niche score 45/100 · $49K/yr market · 27K searches/yr · $15.89 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $49K/yr market · 27K searches/yr · $15.89 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "F15t8 — $49K/yr Amazon US Niche (2026) - Flapen"
---
# **f15t8**
**Skip it**
A small market ($49K/yr) — this niche doesn't clear our bar today.
Market size 12Growth 27Conversion 93Competition 29Returns 25Price range 62Avg price 77Brand share 34Review moat 85Quality gap 79
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****296.53**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$15.89**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$7.22–$27.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+1.4%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****5.0%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$49K**
$49K/yr · 27K searches
**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, f15t8 is a $49K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **f15t8 market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$48K–$64K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#146**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **7.1%**
- **Avg brand age**
- **95 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**28**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**11%**
- Konideke36% - Feit Electric18% - BULBMASTER11% - Flyercatch11% - KosunRefill9% - coospider-repta5% - Open — no brand owns it (4 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.4% search growth over the last 90 days.
600400Spike '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/f15t8/trend)
## **Top f15t8 search terms**
- **f15t8**12K/yr-3.9%8.5% conv. - **f15t8 bulb**7K/yr-0.3%7.3% conv. - **f15t8-cw 15 watt cool white**4K/yr+16.2%14.0% conv. - **f15t8/cw**4K/yr+17.8%14.0% conv. - **f15t8 light bulb**483/yr-44.6%10.8% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/f15t8/search-terms)
## **Top f15t8 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%$5K20%$10K30%$15K40%$20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Konideke 18 Inch F15T8/CW T8 15W Fluorescent Light Bulb Cool White F15T8/SP41 Replacement Bulb for Garage Office Kitchen Under-Cabine G13 Base 6 Count**Konideke**$17.49**4.5★716 rev](https://www.amazon.com/dp/B0CC526ZRQ) [2**Feit Electric F15T8/CW 15W Cool White 18 Fluorescent T8 Tube G13 Bi-Pin Base**Feit Electric**$7.22**4.3★1,152 rev](https://www.amazon.com/dp/B000I18U9Y) [3**F15T8-CW 15 Watt Cool White 18 T8 RV Fluorescent Linear Tube Lamp Replacement Bulb for Philips Alto ECO GE Staco Light Fixture G13 Bi-Pin Base 4100K (3PACK)**KosunRefill**$17.34**4.4★415 rev](https://www.amazon.com/dp/B0CFGKJ3KM) [4**Flyercatch 18 INCH 2Pack F15W-T8-CW Cool White 15 Watt Fluorescent Bulb 18 inch F15T8/CW 4100K Linear Light T8 Tube for Under Cabinet Kitchen Sink RV (18 MOL)**Flyercatch**$15.05**4.2★310 rev](https://www.amazon.com/dp/B0CXPLPZ97) [5**F15T8 Fluorescent Light Bulbs - F15 T8 15W 4100K 18 Light Bulb Cool White 18 Linear T8 650 Lumens - 15 watts 18 Inch Fluorescent Light Bulb - Pack of 6**BULBMASTER**$15.94**4.5★302 rev](https://www.amazon.com/dp/B0DSGNJNQ7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JESLED 18 F15T8 LED Replacement Bulb 6CCT Selectable 3000K-6500K 2 Pack**JESLED**$27.92**24 rev6mo ago](https://www.amazon.com/dp/B0GF7M621M) [**Gleesch 15W 18 T8 Fluorescent Linear Tube Bulb Warm White 3000K**Gleesch**$14.02**8 rev1y ago](https://www.amazon.com/dp/B0F671VY7M) [**F15T8/D Daylight 18Inch 15 Watt T8 Straight Tube F15T8/DL T8 Linear Preheat Lighting Lamps G13 Medium Bi-Pin Base 6500K-Pack of 3**KosunRefill**$17.42**51 rev1y ago](https://www.amazon.com/dp/B0F2RYHJPP) [**F15T8 Fluorescent Light Bulbs - F15 T8 15W 4100K 18 Light Bulb Cool White 18 Linear T8 650 Lumens - 15 watts 18 Inch Fluorescent Light Bulb - Pack of 6**BULBMASTER**$15.94**302 rev1y ago](https://www.amazon.com/dp/B0DSGNJNQ7) [**Cemlorot (18inch) F15T8/WW Fluorescent Bulb 15Watt Soft White F15W-T8-KB Replacement Light Tube 3000K Warm White T8 Linear Lamp for Kitchen and Bath 17 inch Exclude 4 pins**Cemlorot**$15.42**130 rev1y ago](https://www.amazon.com/dp/B0DQ7YJL8X)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Gleesch 15W 18 T8 Fluorescent Linear Tube Bulb Warm White 3000K**Gleesch**$14.02**3.7★**▲ 232%**](https://www.amazon.com/dp/B0F671VY7M) [**JESLED 18 F15T8 LED Replacement Bulb 6CCT Selectable 3000K-6500K 2 Pack**JESLED**$27.92**4.1★**▲ 207%**](https://www.amazon.com/dp/B0GF7M621M) [**coospider-repta F15T8/CW 18 Inch 15W T8 Fluorescent Replacement Tube Bulb Cool White 4100K Medium Bi-Pin G13 Base 2 Count**coospider-repta**$13.10**4.1★**▲ 157%**](https://www.amazon.com/dp/B0CX4M55T8) [**Wesome Lighting 18 Inch F15T8/CW Fluorescent Light Bulb 4100K Cool White T8 15 Watts Fluorescent Bulb Replacement Tube for Counter and Cabinet Fixture G13 Base - 2 Pack**Wesome Lighting**$13.57**4.2★**▲ 58%**](https://www.amazon.com/dp/B0D2QXPM2F) [**F15T8 Fluorescent Light Bulbs - F15 T8 15W 4100K 18 Light Bulb Cool White 18 Linear T8 650 Lumens - 15 watts 18 Inch Fluorescent Light Bulb - Pack of 6**BULBMASTER**$15.94**4.5★**▲ 39%**](https://www.amazon.com/dp/B0DSGNJNQ7)
**~~View all trending →~~**
## **What buyers say about f15t8**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**18%
*“Bright and great”*
**Value For Money**16%
*“Great value”*
**Advertised Vs Actual Product**16%
*“Exactly as described”*
**Size-Overall**14%
*“Fit perfect”*
**Quality-Overall**10%
*“It appears every bit as good as the original”*
**Efficiency**7%
*“Works great”*
**Bulb Flicker/Dimming/Color**4%
*“This bulb works great”*
**Assembly/Installation**3%
*“Easy install”*
**Color**3%
*“I like the color and brightness”*
**Durability**2%
*“Long lasting”*
### **What buyers complain about **
**Bulb Flicker/Dimming/Color**23%
*“Started flickering after just a couple of days”*
**Durability**21%
*“Failed After 2.5 Months”*
**Quality-Overall**13%
*“Low quality”*
**Functionality-Overall**8%
*“Did not work”*
**Size-Overall**8%
*“Did not fit”*
**Value For Money**6%
*“$12.99 for 1 bulb is a bit much”*
**Brightness/Shine/Glow**5%
*“My bulbs not bright enough”*
**Noise Level**3%
*“it arrives making the signature jingling noise”*
**Flammable**3%
*“January 2026 both have burned out”*
**Defective Material/Parts**2%
*“A couple didn't work”*
### **Top return reasons **
**Size-Overall**40%
**Bulb Flicker/Dimming/Color**16%
**Defective Material/Parts**11%
**Functionality-Overall**10%
**Advertised Vs Actual Product**5%
**Brightness/Shine/Glow**5%
**Compatibility-Overall**4%
**Color**3%
**Noise Level**2%
**Maintenance And Repair**1%
## **Common questions**
- **Is f15t8 profitable to sell on Amazon United States?**
- The niche generates $49K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.4%. Flapen's verdict: Skip it (45/100).
- **How competitive is the f15t8 niche?**
- 10 brands and 28 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in f15t8?**
- Top complaints mined from reviews: Bulb Flicker/Dimming/Color, Durability, Quality-Overall. The return rate is 5.0% — above our launch gate.
- **When does demand for f15t8 peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the f15t8 niche?**
- Listings span $7.22–$27.92; the average listing price is $15.89 (sweet spot $15–$100). The average incumbent carries 297 reviews — the moat a new listing must climb.
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