100mm ducting
Worth a lookShows low returns (1.6%), but a small market ($41K/yr) keeps it on the watch list.
Returns
Great1.6%return rate — above 5% kills the launch gate
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Growth
Good+24.6%90-day search growth — must beat 0% to launch
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay1,676.89avg incumbent reviews — the moat a new listing must climb
Price range
Okay£4.21–£20.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£9.85avg listing price — sweet spot $15–$100
Market size
Bad£41K£41K/yr · 83K searches
According to Flapen's Amazon United Kingdom niche tracking, 100mm ducting is a £41K/yr Amazon United Kingdom market (83K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
100mm ducting market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- £39K–£49K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #67
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 86%
- Out of stock
- 1.0%
- Avg brand age
- 41 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
32
Top-5 brand share
69%
Top 20: 99%
Top-5 click share
46%
Top 20: 82%
Open market
26%
- Hon&Guan38%
- Fantronix14%
- Kair7%
- AC Infinity6%
- YJHome5%
- 22.5 Team Controls4%
Demand & seasonality
Weekly Amazon search volume, last 86 weeks — +24.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top 100mm ducting search terms
- ducting20K/yr
- 100mm ducting23K/yr
- 100mm flexible ducting8K/yr
- ducting pipe6K/yr
- 4 inch ducting6K/yr
- flexible ducting5K/yr
- extractor fan ducting7K/yr
- 100mm ducting pipe4K/yr
- 100mm pipe4K/yr
Top 100mm ducting 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hon&Guan Aluminium PVC Ventilation Air Ducting 4 Inch Flexible Vent Hose Pipe for Extractor Fan Hydroponics(ø100mm*5m White)
Hon&Guan£11.034.2★2,739 rev
Hon&Guan 4 Inch Aluminium PVC Ventilation Air Ducting Flexible Hose 100mm with 2pcs Clamps for Universal Tumble Dryer Cooker Hood Extractor Fan(100mm*5m Black)
Hon&Guan£10.704.2★2,739 rev
Fantronix Flexible Vent Hose 100mm (4 Inch) Universal Tumble Dryer Cooker Hood & Extractor Fan Air Duct 3 Metre Length
Fantronix£7.444.4★738 rev
AC Infinity Flexible 100mm Aluminum Ducting Heavy-Duty Four-Layer Protection 2.4m Long for Heating Cooling Ventilation and Exhaust 4 Ducting 8 ft. Long
AC Infinity£11.074.6★34,148 rev
Hon&Guan 100mm / 4 Inch Flexible Aluminium Foil Ventilation Ducting 2m Vent Hose with 2 Clamps for Tumble Dryer Grow Tent and Heater
Hon&Guan£7.374.4★2,165 rev
Newest
by launch date
Central Technology Systems 100mm Flexible Polyurethane Ducting Hose for Dust and Fume Extraction Woodworking Vacuum Systems - 1 Metre
Central Technology Systems£16.561 rev
Hon&Guan 150mm / 6 inch Aluminium PVC Ventilation Air Ducting 5m Flexible Vent Hose Pipe for Extractor Fan Tumble Dryer Grow Tent and Heater
Hon&Guan£16.702,739 rev
Flexible Ventilation Duct 4 Inch Aluminium PVC Ventilation Ducting Hose for Universal Tumble Dryer Vent Hoses Cooker Hood Ducting Extractor Fan with 2 Hose Clamps(100mm x 2.5m Black)
SHUTIANYA£5.9212 rev
YJHome 100mm Ducting 6m Long 4 Inch Flexible Vent Hose with 2 Duct Clamps Heavy-Duty Three Layer Protection PVC Air Ducting for Cooker Hood Tumble Dryer Duct Fan Extractor Fan
YJHome£11.93223 rev
HG PLVTII 100mm Ducting 4 Inch Flexible Air Ducting Pipe 3m Aluminium PVC Vent Hose with 2 Clamps Heavy Duty for Extractor Fan Cooker Hood Tumble Dryer Hydroponics White
HG PLVTII£9.6021 rev
Trending
90-day click momentumHG PLVTII 100mm Ducting 4 Inch Flexible Air Ducting Pipe 3m Aluminium PVC Vent Hose with 2 Clamps Heavy Duty for Extractor Fan Cooker Hood Tumble Dryer Hydroponics White
HG PLVTII£9.604.2★
YJHome 100mm Ducting 6m Long 4 Inch Flexible Vent Hose with 2 Duct Clamps Heavy-Duty Three Layer Protection PVC Air Ducting for Cooker Hood Tumble Dryer Duct Fan Extractor Fan
YJHome£11.934.4★
Xinjiayi 100mm Ducting Length 3.4m PVC Aluminium Flexible
Xinjiayi£8.305.0★
Hon&Guan 150mm / 6 inch Aluminium PVC Ventilation Air Ducting 5m Flexible Vent Hose Pipe for Extractor Fan Tumble Dryer Grow Tent and Heater
Hon&Guan£16.704.2★
Central Technology Systems 100mm Flexible Polyurethane Ducting Hose for Dust and Fume Extraction Woodworking Vacuum Systems - 1 Metre
Central Technology Systems£16.565.0★
What buyers say about 100mm ducting
What buyers praise and complain about, mined from review topics.What buyers love
“feels well made”
“The product worked”
“Value for money”
“Good fit”
“simple to install”
“It has plenty of uses”
“sturdy”
“Securing clips come with lugs so no need for tools”
“This is exactly what it looks like it's very good it is compatible with 100 mil extract fans it's pretty durable I've stepped on it”
“they dont slide”
What buyers complain about
“it's clearly too big”
“Bad quality control”
“Size not as listed”
“Not particularly thick plastic so has a bit of give to it”
“a really toxic acrid smell”
“It seems delicate”
“Not 5m long fully stretched”
“this one should not get rusty”
“Flimsy material”
“unfortunately the AC unit didn't last”
Top return reasons
Common questions
- Is 100mm ducting profitable to sell on Amazon United Kingdom?
- The niche generates £41K/yr across 37 tracked products. 2 of 15 products launched in the last 360 days are still selling. 90-day search growth is +24.6%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 100mm ducting niche?
- 21 brands and 32 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in 100mm ducting?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 1.6%.
- When does demand for 100mm ducting peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the 100mm ducting niche?
- Listings span £4.21–£20.36; the average listing price is £9.85 (sweet spot $15–$100). The average incumbent carries 1,677 reviews — the moat a new listing must climb.