f20t12
Worth a lookShows searches that convert (12.5% search→purchase), but a small market ($82K/yr) keeps it on the watch list.
Conversion
Incredible12.5%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$23.83avg listing price — sweet spot $15–$100
Price range
Great$12.35–$39.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great422.77avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay3.1%return rate — above 5% kills the launch gate
Growth
Okay+13.6%90-day search growth — must beat 0% to launch
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Market size
Bad$82K$82K/yr · 27K searches
According to Flapen's Amazon United States niche tracking, f20t12 is a $82K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 51/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
f20t12 market data
- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $95K–$119K
- units × avg price
- Conversion rate
- 12.5%
- Avg BSR
- #117
- Page quality
- 0%
- Prime
- 54%
- Sponsored
- 69%
- Out of stock
- 6.7%
- Avg brand age
- 83 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
8 flat
Sellers
19
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
3%
- Konideke34%
- PHILIPS18%
- SYLVANIA15%
- GE15%
- Ignixlite8%
- Romwish7%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.6% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 1.8×
Top f20t12 search terms
- f20t12/cw 20 watt cool white19K/yr
- f20t12/cw4K/yr
- philips f20t12/cw 20 watt4K/yr
Top f20t12 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Konideke 24 Inch T12 Fluorescent Tube Light Bulb 20 Watt Cool White F20T12/CW 4100K Replacement for F20T12/CW/ALTO F20T12/CW/ECO F20T12/SP41/ECO G13 Base 1200 Lumens 4 Counts
Konideke$32.134.4★169 rev
(2 Pack) GE F20T12/CW/ECO 20 Watt Cool White T12 Fluorescent Tube Light Bulb 24 Inch Lamp 20W F20T12 4100K
GE$15.954.6★513 rev
Sylvania 22078 - F20T12/CW Straight T12 Fluorescent Tube Light Bulb
SYLVANIA$13.484.5★413 rev
Konideke T12 Fluorescent Tube Light Bulb 20 Watt Daylight F20T12/D Replacement for 79042 F20T12/SUN/ECO F20T12/D/ECO 273284 F20T12/D/ALTO 1100 Lumen G13 Base 24 Inch 4 Count
Konideke$32.814.3★140 rev
Philips 20W 24 Length T12 Cool White Fluorescent Tube
PHILIPS$13.034.2★194 rev
Newest
by launch date
Cemlorot 2pack F15T12-CW Cool White 15Watt Fluorescent Light Bulb 18inch 4100K Straight Linear Preheat Lamp T12 Tube 1.5 Dia Replacement for Kitchen and Bath
Cemlorot$20.00105 rev
(6Pack) F20T12/CW 20 Watt Cool White 24Inch Fluorescent Light Bulbs T12 20W 24 Inch Fluorescent Tube 4100K Replacement for F20T12/CW/ALTO F20T12/CW/ECO F20T12/SP41/ECO G13 Base 1400 Lumens
Ignixlite$39.9853 rev
Konideke F20T12/WW 20 Watt Soft Warm White T12 Fluorescent Tube Light Bulb 20W 24 Inch 2Ft F20T12/DSW/RP Replacement for F20T12 F20T12KB/ECO/RVL F20T12KB/ECO F20T12/SPX30 1250Lm G13 4 Count
Konideke$34.75242 rev
Konideke 24 Inch T12 Fluorescent Tube Light Bulb 20 Watt Cool White F20T12/CW 4100K Replacement for F20T12/CW/ALTO F20T12/CW/ECO F20T12/SP41/ECO G13 Base 1200 Lumens 4 Counts
Konideke$32.13169 rev
Konideke T12 Fluorescent Tube Light Bulb 20 Watt Daylight F20T12/D Replacement for 79042 F20T12/SUN/ECO F20T12/D/ECO 273284 F20T12/D/ALTO 1100 Lumen G13 Base 24 Inch 4 Count
Konideke$32.81140 rev
Trending
90-day click momentumPhilips 20W 24 Length T12 Cool White Fluorescent Tube
PHILIPS$13.034.2★
Romwish 2FT LED Tube Light T8 T10 T12 Type B LED Light Bulb 10W(24W Equiv.) 5000K Daylight 1120LM 24 Inch F20T12 Fluorescent Replacement Remove Ballast Double-Ended Power Clear Cover 4 Pack
Romwish$29.754.3★
(2 Pack) Sylvania F20T12/CW - 20 Watt T12 Fluorescent Tube Light Bulb - Cool White - 20W - F20T12 - 24 Inch ( alt to GE F20T12/WW )
SYLVANIA$26.424.6★
Master Of Light F20T12/WW 24 20W 3000K Warm White T12 2-Pack
Master Of Light$25.904.2★
Sylvania 22078 - F20T12/CW Straight T12 Fluorescent Tube Light Bulb
SYLVANIA$13.484.5★
What buyers say about f20t12
What buyers praise and complain about, mined from review topics.What buyers love
“Nice bright bulbs”
“Sylvania F20T12/CW - this was as advertised and works perfectly”
“Great fit”
“Excellent price”
“Easy installation”
“Great product”
“that glowed a dim yellow at best”
“works good”
“Easy to use”
“Cool white is bright”
What buyers complain about
“Its blinks several times before actually turning on”
“the bulbs are longer than the normal 24 inch T12”
“Doesn't work”
“Short lived”
“the two ends of the bulb are not even in their brightness”
“These are not cheap bulbs price wise”
“blue unfriendly white”
“Not easy to install”
“Terrible quality”
“It's not only uncomfortable”
Top return reasons
Common questions
- Is f20t12 profitable to sell on Amazon United States?
- The niche generates $82K/yr across 13 tracked products. 90-day search growth is +13.6%. Flapen's verdict: Worth a look (51/100).
- How competitive is the f20t12 niche?
- 8 brands and 19 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in f20t12?
- Top complaints mined from reviews: Bulb Flicker/Dimming/Color, Size-Overall, Functionality-Overall. The return rate is 3.1%.
- When does demand for f20t12 peak?
- Demand peaks in Oct–Nov; the busiest month runs 1.8× the quietest.
- What does it cost to enter the f20t12 niche?
- Listings span $12.35–$39.98; the average listing price is $23.83 (sweet spot $15–$100). The average incumbent carries 423 reviews — the moat a new listing must climb.