3 Inch Inline Duct Fan
a small market ($39K/yr) — 3 Inch Inline Duct Fan doesn't clear our bar today.
Flapen Score
Ranks 7,607 of 8,839 Patio, Lawn & Garden niches · −13 vs the category median of 56
Is 3 Inch Inline Duct Fan profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 3 Inch Inline Duct Fan is a $39K/yr Amazon United States market (35K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 43/100.
3 Inch Inline Duct Fan: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -16.8% over the last 90 days and 3.5% of searches end in a purchase.
$39K
revenue / yr
Who owns the niche?
The top 5 brands hold 71% of demand, so 29% of the market is open.
29%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 15 products
Top 3 Inch Inline Duct Fan products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
90-day click momentumWDERAIR 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 dateWDERAIR 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: brands, sellers & click share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
Brands
13 flat
Sellers
18
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
24%
- Hon&Guan36%
- POLISI3D12%
- WDERAIR8%
- Wathai8%
- SEAFLO7%
- Qofioeuo5%
3 Inch Inline Duct Fan demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top 3 Inch Inline Duct Fan search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about 3 Inch Inline Duct Fan
What buyers mention most, as a share of all reviews.
What buyers love
77% of reviews“Build quality seems solid overall”
“it functions as advertised”
“it was easy to incorporate into my setup”
“Fan is quite powerful”
“Worth it”
What buyers complain about
85% of reviews“Way too loud”
“Junk”
“The blade needed to be broke free after it arrived”
“Broke way too easily”
“Also, as others have mentioned, the case is not sealed, so odors from the vent pipe escape into the attic and are not removed from the space”
3 Inch Inline Duct Fan return rate & reasons
Why buyers send it back, as a share of all return requests.
3.4%
Return rate
58%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 3 Inch Inline Duct Fan questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
