---
title: "F8t5cw Fluorescent Bulbs 12 Inch — $123K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/f8t5cw-fluorescent-bulbs-12-inch"
last_updated: "2026-08-09T03:17:48.408Z"
locale: en
meta:
description: "Niche score 33/100 · $123K/yr market · 55K searches/yr · $11.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 33/100 · $123K/yr market · 55K searches/yr · $11.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "F8t5cw Fluorescent Bulbs 12 Inch — $123K/yr Amazon US Niche (2026) - Flapen"
---
# **f8t5cw fluorescent bulbs 12 inch**
**Skip it**
Prices mostly outside the sweet spot ($5.35–$14.79) — this niche doesn't clear our bar today.
Market size 28Growth 20Conversion 100Competition 12Returns 42Price range 0Avg price 46Brand share 8Review moat 40Quality gap 47
**Conversion**
**Incredible****19.5%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$11.48**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,547.22**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$123K**
$123K/yr · 55K searches
**Growth**
**Bad****-10.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$5.35–$14.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, f8t5cw fluorescent bulbs 12 inch is a $123K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 33/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **f8t5cw fluorescent bulbs 12 inch market data**
- **Units sold / yr**
- **10K–13K**
- avg 750–1,000/product
- **Revenue / yr**
- **$115K–$144K**
- units × avg price
- **Conversion rate**
- **19.5%**
- **Avg BSR**
- **#33**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.7%**
- **Avg brand age**
- **97 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**32**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**0%**
- Konideke36% - Circle21% - Unique Bulbs18% - BULBMASTER11% - Feit Electric10% - Hiboom3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.4% search growth over the last 90 days.
1K750Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/f8t5cw-fluorescent-bulbs-12-inch/trend)
## **Top f8t5cw fluorescent bulbs 12 inch search terms**
- **f8t5cw fluorescent bulbs 12 inch**20K/yr-7.5%19.8% conv. - **f8t5/cw 8 watt 12 inch led light bulb**7K/yr+16.7%15.7% conv. - **f8t5**8K/yr-20.4%11.8% conv. - **f8t5 bulb**4K/yr+12.0%11.8% conv. - **f8t5cw**5K/yr-13.4%20.2% conv. - **f8t5cw bulb**3K/yr-6.3%13.9% conv. - **f8t5/cw**2K/yr-15.4%18.1% conv. - **12 inch flourescent tube kitchen lights under cabinet replacement**2K/yr-35.0%10.2% conv. - **florescent light bulbs 12 long**3K/yr-52.1%9.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/f8t5cw-fluorescent-bulbs-12-inch/search-terms)
## **Top f8t5cw fluorescent bulbs 12 inch 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%$12K20%$25K30%$37K40%$49K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Konideke 8 Pack F8T5/CW Fluorescent Bulbs T5 12 inch 8 Watts Under Cabinet Light Bulb Cool White G5 Mini Bi 420 Lumen**Konideke**$13.26**4.5★456 rev](https://www.amazon.com/dp/B0CZ33MNGT) [2**Circle F8T5 Fluorescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6**Circle**$14.62**4.5★7,667 rev](https://www.amazon.com/dp/B01E9VK7V2) [3**Unique Bulbs (Pack of 2 F8T5/CW 8W T5 12 Cool White 4100k Fluorescent Light Bulb 20 000hr**Unique Bulbs**$9.28**4.4★3,308 rev](https://www.amazon.com/dp/B00EHK9S02) [4**BULBMASTER F8T5CW Fluorescent Bulbs 12 Inch - F8T5 8W Cool White 4100K 12 Under Cabinet Light Bulbs Linear T5 380 Lumens - Under The Counter Small Fluorescent Light Bulb - Pack of 6**BULBMASTER**$12.91**4.5★1,677 rev](https://www.amazon.com/dp/B01D95S428) [5**Feit Electric F8T5/CW 8-Watt Fluorescent T5 Bulb**Feit Electric**$5.35**4.6★209 rev](https://www.amazon.com/dp/B003DIDMD8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Konideke 8 Pack F8T5/WW Fluorescent Bulbs Warm White 3000K 12 inch Under Cabinet Light Bulb T5 8 Watt Fluorescent Tube Soft White G5 Mini Bi 460 Lumens No Dimmable**Konideke**$13.62**70 rev1y ago](https://www.amazon.com/dp/B0DSZNKPHT) [**Konideke 8 Pack F8T5/CW Fluorescent Bulbs T5 12 inch 8 Watts Under Cabinet Light Bulb Cool White G5 Mini Bi 420 Lumen**Konideke**$13.26**456 rev2y ago](https://www.amazon.com/dp/B0CZ33MNGT) [**6 Pack F8T5/CW 4100k Fluorescent Bulbs 12 inch T5 8W Under Cabinet Bulb**Hiboom**$10.27**126 rev2y ago](https://www.amazon.com/dp/B0CM6Z8CCJ) [**Circle F8T5 Fluorescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6**Circle**$14.62**7,667 rev10y ago](https://www.amazon.com/dp/B01E9VK7V2) [**Circle F8T5/WW T5 Fluorescent Light Bulbs 12 Inch 8W Warm White 3000K G5 Mini Bi-Pin Under Cabinet Replacement Tube 6 Pack**Circle**$14.79**7,667 rev10y ago](https://www.amazon.com/dp/B01E9X4OHI)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Unique Bulbs (Pack of 2 F8T5/CW 8W T5 12 Cool White 4100k Fluorescent Light Bulb 20 000hr**Unique Bulbs**$9.28**4.4★**▲ 61%**](https://www.amazon.com/dp/B00EHK9S02) [**Pack of 2 F8T5/WW 8W T5 12 Warm White 3000k Fluorescent Light Bulb 20 000hr**Unique Bulbs**$9.20**4.3★**▲ 37%**](https://www.amazon.com/dp/B00IO1SQKI) [**BULBMASTER F8T5CW Fluorescent Bulbs 12 Inch - F8T5 8W Cool White 4100K 12 Under Cabinet Light Bulbs Linear T5 380 Lumens - Under The Counter Small Fluorescent Light Bulb - Pack of 6**BULBMASTER**$12.91**4.5★**— 5%**](https://www.amazon.com/dp/B01D95S428) [**Circle F8T5 Fluorescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6**Circle**$14.62**4.5★**— 3%**](https://www.amazon.com/dp/B01E9VK7V2) [**Konideke 8 Pack F8T5/CW Fluorescent Bulbs T5 12 inch 8 Watts Under Cabinet Light Bulb Cool White G5 Mini Bi 420 Lumen**Konideke**$13.26**4.5★**— 8%**](https://www.amazon.com/dp/B0CZ33MNGT)
**~~View all trending →~~**
## **What buyers say about f8t5cw fluorescent bulbs 12 inch**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**21%
*“As described”*
**Brightness/Shine/Glow**19%
*“Nice and bright”*
**Value For Money**16%
*“reasonably priced”*
**Size-Overall**12%
*“The bulbs were perfect fit”*
**Quality-Overall**10%
*“Quality Product at Reasonable Price”*
**Efficiency**6%
*“Works flawlessly”*
**Bulb Flicker/Dimming/Color**5%
*“The bulbs were exactly what I expected”*
**Durability**3%
*“Didnt come broken”*
**Assembly/Installation**2%
*“Easy to install”*
**Color**2%
*“Color is great”*
### **What buyers complain about **
**Quality-Overall**25%
*“Proof there is no such thing as quality control anymore”*
**Durability**15%
*“Three out of eight bulbs, turned black and stopped working in less than four months”*
**Bulb Flicker/Dimming/Color**12%
*“They started flickering within minutes of being installed”*
**Functionality-Overall**9%
*“When it arrived 3 of the bulbs did not work”*
**Brightness/Shine/Glow**9%
*“Also they are not as bright as the original”*
**Hard Feel**4%
*“slightly harsh”*
**Defective Material/Parts**4%
*“One of the bulbs came broken in the box”*
**Measurement/Reading Accuracy**4%
*“Bulb life inaccurate”*
**Size-Overall**2%
*“I had a problem with another seller whose bulb did not fit properly. about 1mm too long”*
**Rusts/Corrodes**2%
*“Some were clearly used before as they had grime on them”*
### **Top return reasons **
**Size-Overall**42%
**Bulb Flicker/Dimming/Color**16%
**Color**10%
**Advertised Vs Actual Product**7%
**Functionality-Overall**6%
**Compatibility-Overall**5%
**Defective Material/Parts**5%
**Brightness/Shine/Glow**4%
**Value For Money**1%
**Connectivity-Overall**1%
## **Common questions**
- **Is f8t5cw fluorescent bulbs 12 inch profitable to sell on Amazon United States?**
- The niche generates $123K/yr across 9 tracked products. 90-day search growth is -10.4%. Flapen's verdict: Skip it (33/100).
- **How competitive is the f8t5cw fluorescent bulbs 12 inch niche?**
- 6 brands and 32 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in f8t5cw fluorescent bulbs 12 inch?**
- Top complaints mined from reviews: Quality-Overall, Durability, Bulb Flicker/Dimming/Color. The return rate is 3.7%.
- **When does demand for f8t5cw fluorescent bulbs 12 inch peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the f8t5cw fluorescent bulbs 12 inch niche?**
- Listings span $5.35–$14.79; the average listing price is $11.48 (sweet spot $15–$100). The average incumbent carries 2,547 reviews — the moat a new listing must climb.
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