---
title: "Flowtron Replacement Bulb — $36K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/flowtron-replacement-bulb"
last_updated: "2026-08-10T19:32:32.179Z"
locale: en
meta:
  description: "Niche score 46/100 · $36K/yr market · 11K searches/yr · $31.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $36K/yr market · 11K searches/yr · $31.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Flowtron Replacement Bulb — $36K/yr Amazon US Niche (2026) - Flapen"
---

# **flowtron replacement bulb**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 9Growth 96Conversion 88Competition 12Returns 43Price range 93Avg price 95Brand share 0Review moat 25Quality gap 45

**Growth**

**Incredible****+157.1%**

90-day search growth — must beat 0% to launch

**Avg price**

**Incredible****$31.84**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$12.97–$92.24**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Great****10.1%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.5%**

return rate — above 5% kills the launch gate

**Review moat**

**Bad****4,782.11**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****85%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$36K**

$36K/yr · 11K searches

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")

According to Flapen's Amazon United States niche tracking, flowtron replacement bulb is a $36K/yr Amazon United States market (11K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Skip it — 46/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **flowtron replacement bulb market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–1K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$32K–$40K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#112**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**4 **▼falling

**Sellers**

**27**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**85%**

Top 20: 100%

**Open market**

**0%**

- Flowtron69% - Dichroma15% - KosunRefill13% - PACETAP2%

## **Demand & seasonality**

Weekly Amazon search volume, last 54 weeks — +157.1% search growth over the last 90 days.

450350Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 7.9×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/flowtron-replacement-bulb/trend)

## **Top flowtron replacement bulb 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%$4K20%$7K30%$11K40%$14K101001K10K100K 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![Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage](https://m.media-amazon.com/images/I/315VzX+fxsL.jpg)**Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage**Flowtron**$15.59**4.4★1,377 rev](https://www.amazon.com/dp/B00004R9W1) [2![BF190 Replacement Bulb Compatible with Flowtron BK-40D Bug Zapper 10 Inch FUL32T8/BL U Type Replacement Light Bulb for 32W Outdoor Electronic Insect Mosquito Killer 2 Pack](https://m.media-amazon.com/images/I/41IOiN7MaiL.jpg)**BF190 Replacement Bulb Compatible with Flowtron BK-40D Bug Zapper 10 Inch FUL32T8/BL U Type Replacement Light Bulb for 32W Outdoor Electronic Insect Mosquito Killer 2 Pack**Dichroma**$15.79**4.4★644 rev](https://www.amazon.com/dp/B0BT9TM8L9) [3![BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack](https://m.media-amazon.com/images/I/31tPVclFL3L.jpg)**BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack**KosunRefill**$16.80**4.5★288 rev](https://www.amazon.com/dp/B0BP191766) [4![Flowtron BF-35 Replacement UV Bulb for BK-15D](https://m.media-amazon.com/images/I/31fHnmGKCHL.jpg)**Flowtron BF-35 Replacement UV Bulb for BK-15D**Flowtron**$14.72**4.5★2,043 rev](https://www.amazon.com/dp/B00004R9W4) [5![Flowtron Bug Zapper 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA](https://m.media-amazon.com/images/I/51I+Dc7kyZL.jpg)**Flowtron Bug Zapper 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA**Flowtron**$72.07**4.5★27,439 rev](https://www.amazon.com/dp/B00004R9VW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Flowtron BF-150 Replacement UV Bulb (2-Pack) for BK-80D MC-9000 FC-4400 FC-4800 FC-4700 FC-7600](https://m.media-amazon.com/images/I/31IjO7Iyy6L.jpg)**Flowtron BF-150 Replacement UV Bulb (2-Pack) for BK-80D MC-9000 FC-4400 FC-4800 FC-4700 FC-7600**Flowtron**$27.89**84 rev2y ago](https://www.amazon.com/dp/B0D68KGNZW) [![BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack](https://m.media-amazon.com/images/I/31tPVclFL3L.jpg)**BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack**KosunRefill**$16.80**288 rev3y ago](https://www.amazon.com/dp/B0BP191766) [![BF190 Replacement Bulb Compatible with Flowtron BK-40D Bug Zapper 10 Inch FUL32T8/BL U Type Replacement Light Bulb for 32W Outdoor Electronic Insect Mosquito Killer 2 Pack](https://m.media-amazon.com/images/I/41IOiN7MaiL.jpg)**BF190 Replacement Bulb Compatible with Flowtron BK-40D Bug Zapper 10 Inch FUL32T8/BL U Type Replacement Light Bulb for 32W Outdoor Electronic Insect Mosquito Killer 2 Pack**Dichroma**$15.79**644 rev3y ago](https://www.amazon.com/dp/B0BT9TM8L9) [![2 Pack Replacement Bulbs FUL15W BL with 4 Pin Base U Shaped Lamp Tube Compatible for Flowtron BK-15D for Stinger FP15 for TZ15 for BB-15WHT Indoor Outdoor 15W U Shape Light Bulbs for T6 T8 T9](https://m.media-amazon.com/images/I/41lw41BKFXL.jpg)**2 Pack Replacement Bulbs FUL15W BL with 4 Pin Base U Shaped Lamp Tube Compatible for Flowtron BK-15D for Stinger FP15 for TZ15 for BB-15WHT Indoor Outdoor 15W U Shape Light Bulbs for T6 T8 T9**PACETAP**$12.97**991 rev4y ago](https://www.amazon.com/dp/B0B4R1HR8J) [![Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage](https://m.media-amazon.com/images/I/315VzX+fxsL.jpg)**Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage**Flowtron**$15.59**1,377 rev19y ago](https://www.amazon.com/dp/B00004R9W1)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Flowtron BF-150 Replacement Bulb for BK-80D FC7600 and Wall Sconce Models Black 1 Count (Pack of 1)](https://m.media-amazon.com/images/I/31IjO7Iyy6L.jpg)**Flowtron BF-150 Replacement Bulb for BK-80D FC7600 and Wall Sconce Models Black 1 Count (Pack of 1)**Flowtron**$18.45**4.4★**▲ 81%**](https://www.amazon.com/dp/B00004R9VX) [![Flowtron Bug Zapper 1-1/2 Acre of Outdoor Coverage with Powerful 80W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA](https://m.media-amazon.com/images/I/51Dfz8nyfdL.jpg)**Flowtron Bug Zapper 1-1/2 Acre of Outdoor Coverage with Powerful 80W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA**Flowtron**$92.24**4.5★**▲ 67%**](https://www.amazon.com/dp/B00004R9VV) [![BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack](https://m.media-amazon.com/images/I/31tPVclFL3L.jpg)**BF-150 40W Replacement Bulb Compatible Flowtron BK-40 BK-80D Stinger b4040 FC7600 and Wall Sconce Models FUL40T8/BL Black Light Bulb 12 Inch U Shape BL Lamp - 2 Pack**KosunRefill**$16.80**4.5★**▲ 24%**](https://www.amazon.com/dp/B0BP191766) [![Flowtron Bug Zapper 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA](https://m.media-amazon.com/images/I/51I+Dc7kyZL.jpg)**Flowtron Bug Zapper 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid Electric Insect Fly & Mosquito Zapper Made in The USA**Flowtron**$72.07**4.5★**▲ 19%**](https://www.amazon.com/dp/B00004R9VW) [![Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage](https://m.media-amazon.com/images/I/315VzX+fxsL.jpg)**Flowtron BF-190 UV Replacement Bulb for BK-40D Outdoor Bug Zapper | Powerful 40W Bulb | Up to 1 Acre Coverage**Flowtron**$15.59**4.4★**— 8%**](https://www.amazon.com/dp/B00004R9W1)

**~~View all trending →~~**

## **What buyers say about flowtron replacement bulb**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Pest/Insect Control**25%

*“Kills most bugs”*

**Quality-Overall**16%

*“Good quality”*

**Advertised Vs Actual Product**12%

*“Just what I wanted”*

**Value For Money**7%

*“Worth EVERY PENNY”*

**Efficiency**6%

*“Works great”*

**Durability**4%

*“Well Made and Durable”*

**Size-Overall**3%

*“These are the perfect size bulbs”*

**Brightness/Shine/Glow**3%

*“once plugged into unit is as bright as the original bulb that came when I purchased the bug zapper”*

**Locally Manufactured**2%

*“Made in the USA”*

**Functionality-Overall**2%

*“Second bulb is functioning properly”*

### **What buyers complain about **

**Durability**24%

*“very poor durability”*

**Pest/Insect Control**20%

*“never really killed many bugs”*

**Quality-Overall**8%

*“Low quality”*

**Value For Money**7%

*“A bit expensive”*

**Functionality-Overall**6%

*“Not work”*

**Connectivity-Overall**4%

*“during hold time it disconnect your call. 5times”*

**Instructions/User Manual/Troubleshooting**3%

*“Also it did not come with an owners manual”*

**Flammable**3%

*“the wire is completely burned through the insulation and all”*

**Size-Overall**3%

*“Cord is very short”*

**Assembly/Installation**3%

*“It requires taking the whole thing apart”*

### **Top return reasons **

**Size-Overall**27%

**Functionality-Overall**20%

**Pest/Insect Control**13%

**Defective Material/Parts**10%

**Advertised Vs Actual Product**6%

**Value For Money**5%

**Durability**2%

**Mounting**2%

**Product Condition**2%

**Socket/Port/Plug**1%

## **Common questions**

<dl>

<dt>**Is flowtron replacement bulb profitable to sell on Amazon United States?**</dt><dd>The niche generates $36K/yr across 9 tracked products. 90-day search growth is +157.1%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the flowtron replacement bulb niche?**</dt><dd>4 brands and 27 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in flowtron replacement bulb?**</dt><dd>Top complaints mined from reviews: Durability, Pest/Insect Control, Quality-Overall. The return rate is 3.5%.</dd>

<dt>**When does demand for flowtron replacement bulb peak?**</dt><dd>Demand peaks in May–Jun–Jul–Aug; the busiest month runs 7.9× the quietest.</dd>

<dt>**What does it cost to enter the flowtron replacement bulb niche?**</dt><dd>Listings span $12.97–$92.24; the average listing price is $31.84 (sweet spot $15–$100). The average incumbent carries 4,782 reviews — the moat a new listing must climb.</dd>

</dl>

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