3 Inch Inline Duct Fan
FailShoppers spend an estimated $39K a year here, so 3 Inch Inline Duct Fan is a Fail.
- Flapen Score
- 43 / 100Ranks 7,607 of 8,839 Patio, Lawn & Garden niches · −13 vs the category median of 5643
- Market size
- $39K/yr35K searches / yr
- 90-day growth
- -16.8%search demand this quarter
- Competition
- 67%top-5 click share · 13 brands · 18 sellers
Flapen Score
3 Inch Inline Duct Fan against its category
The dotted line is the Patio, Lawn & Garden average. Past it, 3 Inch Inline Duct Fan is stronger. Inside it, weaker.
Market
The 3 Inch Inline Duct Fan market on Amazon at a glance
Shoppers on Amazon United States searched for 3 Inch Inline Duct Fan 35K times last year and spent an estimated $39K. The top 5 brands take 71% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 3.5% of those searches ended in a purchase.
Shoppers searched for this 35K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.5% of those searches ended in a purchase. Searches in the last 90 days moved -16.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $39K a year.
- Searches, last 12 months
- 35K
- Growth, 90 days vs prior 90
- -16.8%
- Conversion, latest week
- 3.5%
- Market size, estimated
- $39Ka year
- Top search term
- 3 inch inline duct fan6K searches a year
02 · Price
A sale here is worth $31.70.
Listings sell for $31.70 on average, from $19.33 to $49.91. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $31.70 that is $0 to $3K a year per listing.
- Average price
- $31.70inside the $15 to $100 sweet spot
- Price range
- $19.33–$49.91
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 3.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #561 within Hydroponics. It carries 777 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.0%
- Average rank
- #561in Hydroponics
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 777per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top 3 Inch Inline Duct Fan products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 14, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Hon&Guan 3 Inch Inline Blower Fan with Speed Controller 120 CFM with 20W Ultra-Low Power and Low Noise
- Price
- $37.95
- Rating
- 4.3/5
- Reviews
- 2,961
- Age
- 1y ago

Powerful 3 Inch Inline Duct Ventilation Fan AC Vent Blower Exhaust Fan w/ 1.5M Pipe Enhanced Air Flow Low Noise for 3D Printer Enclosure Laser Engraver Cover Resin Greenhouse Ventilation Equipment
- Price
- $39.64
- Rating
- 4.1/5
- Reviews
- 189
- Age
- 2y ago

Wathai 80mm Small 12V DC Axial Exhaust Fan with AC Adapter 3 Inch Duct Fan for Fume Extractor Soldering Smoke 3D Printer Enclosure Laser Engraver Dual Ball High Airflow
- Price
- $27.86
- Rating
- 4.6/5
- Reviews
- 192
- Age
- 1y ago

Qofioeuo 3 Inch Inline Duct Fan 220m with 6.6ft Duct and Switch
- Price
- $49.91
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 5mo ago

WDERAIR 80mm x 38mm 3 Inch Duct 12V Computer Exhaust Fan with AC Variable Speed High Airflow Small Ventilation Fan Dual Ball for Paint Booth Fume Extractor 3D Printer Greenhouse Dryer Booster Cooling
- Price
- $24.26
- Rating
- 4.5/5
- Reviews
- 39
- Age
- 4mo ago
Trending
estimated 90-day click momentum
WDERAIR 80mm x 38mm 3 Inch Duct 12V Computer Exhaust Fan with AC Variable Speed High Airflow Small Ventilation Fan Dual Ball for Paint Booth Fume Extractor 3D Printer Greenhouse Dryer Booster Cooling
- Price
- $24.26
- Rating
- 4.5/5
- Reviews
- 39
- Age
- 4mo ago

Qofioeuo 3 Inch Inline Duct Fan 220m with 6.6ft Duct and Switch
- Price
- $49.91
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 5mo ago

VIVOSUN 4 Inline Exhaust Fan & Speed Controller Low Noise Workshop 130 CFM Duct Fan for HVAC Ventilation Vent Booster Fan in Grow Tent Basement Bathroom Kitchen Attic 3D Printer
- Price
- $26.18
- Rating
- 4.3/5
- Reviews
- 6,092
- Age
- 1y ago

SEAFLO 3 in-Line Bilge Blower Fan 145CFM 12V 3.0A Max Draw 5-Blade Fan Ultra-Quiet Operation 3 Inch for Yacht/Sailboat/Boat- ISO 8846 CE & RoHs Certified - 4-Year Warranty
- Price
- $23.70
- Rating
- 4.5/5
- Reviews
- 97
- Age
- 2y ago

Hon&Guan 3 Inch Inline Blower Fan with Speed Controller 120 CFM with 20W Ultra-Low Power and Low Noise
- Price
- $37.95
- Rating
- 4.3/5
- Reviews
- 2,961
- Age
- 1y ago
Newest
by launch date
WDERAIR 80mm x 38mm 3 Inch Duct 12V Computer Exhaust Fan with AC Variable Speed High Airflow Small Ventilation Fan Dual Ball for Paint Booth Fume Extractor 3D Printer Greenhouse Dryer Booster Cooling
- Price
- $24.26
- Rating
- 4.5/5
- Reviews
- 39
- Age
- 4mo ago

Qofioeuo 3 Inch Inline Duct Fan 220m with 6.6ft Duct and Switch
- Price
- $49.91
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 5mo ago

3inch Inline Duct Fan Inline Ventilation Exhaust Fan 260 CFM Duct Intake Extractor Fan for Vent Bathroom Kitchen Grow Tent Hydroponics 3D Printer
- Price
- $39.25
- Rating
- 4.0/5
- Reviews
- 14
- Age
- 1y ago

Wathai 80mm Small 12V DC Axial Exhaust Fan with AC Adapter 3 Inch Duct Fan for Fume Extractor Soldering Smoke 3D Printer Enclosure Laser Engraver Dual Ball High Airflow
- Price
- $27.86
- Rating
- 4.6/5
- Reviews
- 192
- Age
- 1y ago

WDERAIR 80mm x 25mm 3 Inch Duct Household Ventilation 12V Exhaust Fan with Speed Controller for DIY Greenhouse 3D Print Smoke Paint Fume Extractor-D8025
- Price
- $22.07
- Rating
- 4.1/5
- Reviews
- 56
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 flat
Sellers
18
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 100%
Open market
24%
- Hon&Guan36%
- POLISI3D12%
- WDERAIR8%
- Wathai8%
- SEAFLO7%
- Qofioeuo5%
Demand
3 Inch Inline Duct Fan search demand
Weekly searches over the year. Pick a range.
Search terms
Top 3 Inch Inline Duct Fan search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 3 inch inline duct fan6K/yr
- 3 inch exhaust fan6K/yr
- 3 inch inline fan6K/yr
- 3 duct fan5K/yr
- 3 inch duct fan5K/yr
- 3 inline fan3K/yr
- 3 inline duct fan3K/yr
Reviews and returns
What reviews say buyers love and hate about 3 Inch Inline Duct Fan
We read the reviews and the return reasons for every product selling here.
“Way too loud”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 3 Inch Inline Duct Fan questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









