---
title: "Inline Extractor Fan — £133K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/inline-extractor-fan"
last_updated: "2026-07-31T09:57:14.039Z"
locale: en
meta:
description: "Niche score 53/100 · £133K/yr market · 100K searches/yr · £36.50 avg price. Soft demand (-21.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · £133K/yr market · 100K searches/yr · £36.50 avg price. Soft demand (-21.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Inline Extractor Fan — £133K/yr Amazon UK Niche (2026) - Flapen"
---
# **inline extractor fan**
**Worth a look**
Shows a sweet-spot price point ($36.50 avg), but soft demand (-21.6% this quarter) keeps it on the watch list.
Market size 30Growth 14Conversion 46Competition 50Returns 69Price range 95Avg price 95Brand share 72Review moat 71Quality gap 73
**Avg price**
**Incredible****£36.50**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****£17.05–£82.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****666.11**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****£133K**
£133K/yr · 100K searches
**Growth**
**Bad****-21.6%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, inline extractor fan is a £133K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **inline extractor fan market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **£146K–£183K**
- units × avg price
- **Conversion rate**
- **3.7%**
- **Avg BSR**
- **#79**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **81%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**62%**
Top 20: 99%
**Top-5 click share**
**55%**
Top 20: 92%
**Open market**
**33%**
- Manrose23% - Fantronix14% - Anesty11% - DOSYEN7% - FanGoFast7% - VENTS UK5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.6% search growth over the last 90 days.
3K2KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/inline-extractor-fan/trend)
## **Top inline extractor fan search terms**
- **inline extractor fan**42K/yr-41.6%2.9% conv. - **inline fan**16K/yr+44.4%2.9% conv. - **manrose mf100t**14K/yr-43.7%7.4% conv. - **inline duct fan**5K/yr+86.9%1.1% conv. - **duct fan**5K/yr+99.6%1.4% conv. - **4 inch inline fan**3K/yr+30.3%2.8% conv. - **inline bathroom extractor fan**4K/yr-26.2%4.7% conv. - **in line extractor fan 100mm with timer**4K/yr-55.9%4.9% conv. - **inline extractor fan with timer**4K/yr-66.3%4.9% conv. - **manrose inline extractor fan**3K/yr-54.5%5.8% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/inline-extractor-fan/search-terms)
## **Top inline extractor fan 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%5%£7K10%£13K15%£20K20%£27K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Manrose MF100T 100 mm Inline Bathroom Extractor Fan with Timer Black**Manrose**£50.67**4.6★2,779 rev](https://www.amazon.co.uk/dp/B01G8DM5UA) [2**Inline Bathroom Extractor Fan 100mm /4 Inch In Line Duct Fan Mixed Flow 220m/hr - Grow Room Fan Tent Hydroponic Ventilation System**Anesty**£20.67**4.3★203 rev](https://www.amazon.co.uk/dp/B0CJFJ5W35) [3**Fantronix 100 mm (4) Inline Bathroom Extractor Fan with Run-On Timer Quiet Loft-Mounted Ventilation for Shower Toilet & Damp Control**Fantronix**£35.28**4.5★1,494 rev](https://www.amazon.co.uk/dp/B0813W5WRM) [4**DOSYEN Inline Bathroom Extractor Fan 100mm/4 Inch In-line duct fan mixed flow 220m3/hour**DOSYEN**£19.09**4.3★33 rev](https://www.amazon.co.uk/dp/B0F7R9G4QS) [5**FanGoFast Inline Extractor Fan 100mm/4 inch with Adjustable Speed Controller and UK Plug Quiet Ventilation Fan for Bathroom Kitchen Office Grow Rooms (Black 100mm)**FanGoFast**£35.34**4.3★776 rev](https://www.amazon.co.uk/dp/B0CC8DWQCX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GreenWhim Inline Extractor Fan with Variable Speed Controller Fan Tent Hydroponic Ventilation UK Plug**GreenWhim**£17.83**2 rev3mo ago](https://www.amazon.co.uk/dp/B0GX5WHQNB) [**TVOOD 4 inch Inline Extractor Fan: 220m/h 40W 100mm Duct Inline Bathroom Extractor Fan Quiet Operation Inlines Fans for Kitchen Grow Tent Ventilation System**TVOOD**£21.53**6 rev6mo ago](https://www.amazon.co.uk/dp/B0GJ5DKR5Q) [**Lifegogo 4 inch Inline Extractor Fan: 220m/h 40W Inlines Fan Quiet Operation 100mm Duct Inline Bathroom Extractor Fans for Grow Room Tent Hydroponic Ventilation System**Lifegogo**£20.45**7 rev7mo ago](https://www.amazon.co.uk/dp/B0G593SLMC) [**Dryzone In-Line Extractor Fan Kit with Timer (100mm White) | For Lofts or Ceiling Voids | Includes External & Internal Vents Flexible Ducting**Dryzone**£70.97**44 rev8mo ago](https://www.amazon.co.uk/dp/B0FXXP3BSF) [**CubeTECH CTi100t 100mm (4) Inline Bathroom Extractor Fan w/Timer Two-Speed**CubeTECH**£31.21**59 rev1y ago](https://www.amazon.co.uk/dp/B0FCG2GC6Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GreenWhim Inline Extractor Fan with Variable Speed Controller Fan Tent Hydroponic Ventilation UK Plug**GreenWhim**£17.83**3.0★**▲ 359%**](https://www.amazon.co.uk/dp/B0GX5WHQNB) [**Lifegogo 4 inch Inline Extractor Fan: 220m/h 40W Inlines Fan Quiet Operation 100mm Duct Inline Bathroom Extractor Fans for Grow Room Tent Hydroponic Ventilation System**Lifegogo**£20.45**3.7★**▲ 255%**](https://www.amazon.co.uk/dp/B0G593SLMC) [**TVOOD 4 inch Inline Extractor Fan: 220m/h 40W 100mm Duct Inline Bathroom Extractor Fan Quiet Operation Inlines Fans for Kitchen Grow Tent Ventilation System**TVOOD**£21.53**5.0★**▲ 245%**](https://www.amazon.co.uk/dp/B0GJ5DKR5Q) [**Fantronix 100 mm (4) Standard Inline Extractor Fan Quiet Bathroom Shower & Hydroponic Grow Room Ventilation**Fantronix**£31.02**4.5★**▲ 172%**](https://www.amazon.co.uk/dp/B0CJM9BVZL) [**VENTS 100mm (4) Standard Inline Extractor Fan Quiet Loft-Mounted Ventilation for Bathroom Shower & Damp Control**VENTS UK**£31.25**4.3★**▲ 99%**](https://www.amazon.co.uk/dp/B0831FHRV9)
**~~View all trending →~~**
## **What buyers say about inline extractor fan**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**16%
*“Good, worth the money”*
**Assembly/Installation**15%
*“It just came installed”*
**Quality-Overall**10%
*“Excellent product”*
**Size-Overall**9%
*“Fitted today works as it should”*
**Advertised Vs Actual Product**9%
*“Works exactly how it should”*
**Noise Level**7%
*“quieter than expected”*
**Strength**6%
*“Very powerful and easy to install”*
**Spray/Flow**3%
*“it had good airflow”*
**Ease Of Use**3%
*“Perfectly easy”*
**Efficiency**3%
*“Does the job nicely”*
### **What buyers complain about **
**Durability**23%
*“Failed within a month”*
**Noise Level**19%
*“has become very noisy in only 6 months”*
**Quality-Overall**13%
*“I suspect the use of poor quality bearing parts as the units become very noise”*
**Size-Overall**5%
*“The electrical connector could do with being a bit bigger”*
**Functionality-Overall**5%
*“Recieved item for a job at customers house only to find it didn't work”*
**Value For Money**3%
*“it costs £100 more so I think that tells you what you need to know”*
**Leak-Proof**3%
*“Body leaks fumes/smoke”*
**Motor Issues**3%
*“Low power”*
**Connectivity-Overall**1%
*“The only observation is the connection block is very small”*
**Adhesion/Stickiness**1%
*“AWKWARD TO SCREW IN PLACE”*
### **Top return reasons **
**Size-Overall**22%
**Functionality-Overall**22%
**Compatibility-Overall**8%
**Strength**8%
**Noise Level**7%
**Defective Material/Parts**7%
**Durability**5%
**Alarm/Timer Accuracy**4%
**Connectivity-Overall**2%
**Advertised Vs Actual Product**2%
## **Common questions**
- **Is inline extractor fan profitable to sell on Amazon United Kingdom?**
- The niche generates £133K/yr across 27 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the inline extractor fan niche?**
- 21 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in inline extractor fan?**
- Top complaints mined from reviews: Durability, Noise Level, Quality-Overall. The return rate is 2.3%.
- **When does demand for inline extractor fan peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the inline extractor fan niche?**
- Listings span £17.05–£82.22; the average listing price is £36.50 (sweet spot $15–$100). The average incumbent carries 666 reviews — the moat a new listing must climb.
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