f15t8
Skip itA small market ($49K/yr) — this niche doesn't clear our bar today.
Conversion
Great11.4%search→purchase rate — share of searches ending in a sale
Review moat
Great296.53avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$15.89avg listing price — sweet spot $15–$100
Price range
Good$7.22–$27.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Okay+1.4%90-day search growth — must beat 0% to launch
Returns
Bad5.0%return rate — above 5% kills the launch gate
Market size
Bad$49K$49K/yr · 27K searches
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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
Top f15t8 search terms
- f15t812K/yr
- f15t8 bulb7K/yr
- f15t8-cw 15 watt cool white4K/yr
- f15t8/cw4K/yr
- f15t8 light bulb483/yr
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$17.494.5★716 rev
Feit Electric F15T8/CW 15W Cool White 18 Fluorescent T8 Tube G13 Bi-Pin Base
Feit Electric$7.224.3★1,152 rev
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$17.344.4★415 rev
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$15.054.2★310 rev
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$15.944.5★302 rev
Newest
by launch date
JESLED 18 F15T8 LED Replacement Bulb 6CCT Selectable 3000K-6500K 2 Pack
JESLED$27.9224 rev
Gleesch 15W 18 T8 Fluorescent Linear Tube Bulb Warm White 3000K
Gleesch$14.028 rev
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$17.4251 rev
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$15.94302 rev
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$15.42130 rev
Trending
90-day click momentumGleesch 15W 18 T8 Fluorescent Linear Tube Bulb Warm White 3000K
Gleesch$14.023.7★
JESLED 18 F15T8 LED Replacement Bulb 6CCT Selectable 3000K-6500K 2 Pack
JESLED$27.924.1★
coospider-repta F15T8/CW 18 Inch 15W T8 Fluorescent Replacement Tube Bulb Cool White 4100K Medium Bi-Pin G13 Base 2 Count
coospider-repta$13.104.1★
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$13.574.2★
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$15.944.5★
What buyers say about f15t8
What buyers praise and complain about, mined from review topics.What buyers love
“Bright and great”
“Great value”
“Exactly as described”
“Fit perfect”
“It appears every bit as good as the original”
“Works great”
“This bulb works great”
“Easy install”
“I like the color and brightness”
“Long lasting”
What buyers complain about
“Started flickering after just a couple of days”
“Failed After 2.5 Months”
“Low quality”
“Did not work”
“Did not fit”
“$12.99 for 1 bulb is a bit much”
“My bulbs not bright enough”
“it arrives making the signature jingling noise”
“January 2026 both have burned out”
“A couple didn't work”
Top return reasons
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.