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4 Inch Duct Fans

(3373 products available)

Hydroponic 4 6 5 8 10 Inches Customization Mixed Flow Inline Duct Fan For Grow Tent Silent Extractor Fan

Hydroponic 4 6 5 8 10 Inches Customization Mixed Flow Inline Duct Fan For Grow Tent Silent Extractor Fan

$21.46 - $23.61
Min Order: 100 pieces
Applicable Industries: Retail
After-Sales Service Provided: Online Support
Warranty: 3 Years
Electric Current Type: Ac
CN
3 yrsverify
1.8
/5
·
1 reviews
·
"fast shipping"
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Centrifugal Exhaust Fan Blower Centrifugal Fan For Extruders Hvac Blower

Centrifugal Exhaust Fan Blower Centrifugal Fan For Extruders Hvac Blower

$50.44 - $57.19
Min Order: 1 piece
After-Sales Service Provided: Online Support
Warranty: 2 Years
Applicable Industries: Restaurant
CN
3 yrsverify
5.0
/5
·
1 reviews
·
"Excellent service"
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Big Farm Animal Ventilation Use 10ft 24ft 20ft 16ft 14ft 12ft HVLS Ceiling Cooling Fan For Industrial

Big Farm Animal Ventilation Use 10ft 24ft 20ft 16ft 14ft 12ft HVLS Ceiling Cooling Fan For Industrial

$680.00 - $1,180.00
Min Order: 1 set
CN
1 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
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4-72 Fiberglass Exhaust Air Duct Fan Radial Centrifugal Fans

4-72 Fiberglass Exhaust Air Duct Fan Radial Centrifugal Fans

$3,000.00 - $3,500.00
Min Order: 1 set
Applicable Industries: Building Material Shops
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
6 yrs
4.9
/5
·
2 reviews
·
Contact Supplier
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Powerful Industrial Exhaust Fan Low Noise Fan Centrifugal Fan

Powerful Industrial Exhaust Fan Low Noise Fan Centrifugal Fan

$268.00
Min Order: 1 set
Applicable Industries: Restaurant
After-Sales Service Provided: Field Installation, Commissioning And Training
Warranty: 3 Years
Electric Current Type: Ac
CN
11 yrs
5.0
/5
·
2 reviews
·
Contact Supplier
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duct sirocco fan160mm duct fansreverse duct fansinline duct fans10 duct fanmetal inline duct fansduct fan 30mm120mm duct fan25mm duct fan100mm duct fan24 inch duct fan10mm duct fannoiseless duct fan50mm duct fan500mm duct fan
12ft 400w Permanent Magnet Motor Diameter Speed Regulation Security Large Ceiling Fan

12ft 400w Permanent Magnet Motor Diameter Speed Regulation Security Large Ceiling Fan

$720.00 - $780.00
Min Order: 1 set
CN
1 yrs
0.0
/5
·
0 reviews
·
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4 Inch and 6 Inch Infinity 350CFM Ventilation Mars Hydro iFresh In line Duct Exhaust Fan with Smart Control

4 Inch and 6 Inch Infinity 350CFM Ventilation Mars Hydro iFresh In line Duct Exhaust Fan with Smart Control

$98.00 - $116.00
Min Order: 1 piece
After-Sales Service Provided: Free Spare Parts
Warranty: 2 Years
Electric Current Type: Ac
CN
15 yrsverify
4.8
/5
·
51 reviews
·
"Excellent service"
Contact Supplier
BAVAGREEN Smart WIFI APP Inline Duct Ventilation Fan 4 Inch 215 CFM Programmable Controller EC Motor Exhaust Air Blower Fan

BAVAGREEN Smart WIFI APP Inline Duct Ventilation Fan 4 Inch 215 CFM Programmable Controller EC Motor Exhaust Air Blower Fan

$59.80 - $85.45
Min Order: 1 set
Shipping per piece: $36.17
After-Sales Service Provided: Online Support
Electric Current Type: Dc
CN
5 yrsverify
5.0
/5
·
27 reviews
·
"fast reply"
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AC EC Silent Quiet 4 8 10 12 inch Variable Speed Reversible blower Inline Duct Fan

AC EC Silent Quiet 4 8 10 12 inch Variable Speed Reversible blower Inline Duct Fan

$17.21 - $20.84
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 3 Years
CN
10 yrsverify
5.0
/5
·
4 reviews
·
"good service"
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Hon&Guan high efficiency silent hydroponic exhaust 4 6 8 10 inch mixed flow pwm inline duct centrifugal ec fan

Hon&Guan high efficiency silent hydroponic exhaust 4 6 8 10 inch mixed flow pwm inline duct centrifugal ec fan

$35.00 - $40.00
Min Order: 5 pieces
Applicable Industries: Building Material Shops
After-Sales Service Provided: Online Support
Warranty: 3 Years
Electric Current Type: Ac
CN
7 yrsverify
4.6
/5
·
14 reviews
·
"recommend supplier"
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OEM/ ODM Factory Made Design Own Brand Mass 220v Silent 4 inch Carbon Filter Bathroom Air Flow Extractor Fan

OEM/ ODM Factory Made Design Own Brand Mass 220v Silent 4 inch Carbon Filter Bathroom Air Flow Extractor Fan

$2.69 - $4.59
Min Order: 100 pieces
Applicable Industries: Building Material Shops
After-Sales Service Provided: Online Support
Warranty: 3 Years
Electric Current Type: Ac
CN
10 yrsverify
4.8
/5
·
3 reviews
·
"prompt delivery"
Contact Supplier
Best Ventilation Exhaust Plastic Small 100mm AC Silent 4" inch Electric 220v inline duct fan

Best Ventilation Exhaust Plastic Small 100mm AC Silent 4" inch Electric 220v inline duct fan

$14.00 - $18.50
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
14 yrsverify
4.9
/5
·
19 reviews
·
"Fast shipping"
Contact Supplier
Hon&Guan 4 Inch In line Duct Fan 146 CFM with Variable Speed Controller, EC Motor - Ventilation Exhaust Fan

Hon&Guan 4 Inch In line Duct Fan 146 CFM with Variable Speed Controller, EC Motor - Ventilation Exhaust Fan

$29.00 - $35.00
Min Order: 5 pieces
CN
12 yrsverify
4.8
/5
·
15 reviews
·
"Quick delivery"
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2023 Inline Duct Ventilation Fan 4 Inch WIFI APP Programmable Controller Quiet EC Motor Vertical Farming Indoor Grow Inline Fan

2023 Inline Duct Ventilation Fan 4 Inch WIFI APP Programmable Controller Quiet EC Motor Vertical Farming Indoor Grow Inline Fan

$57.95 - $67.95
Min Order: 1 set
After-Sales Service Provided: Online Support
Electric Current Type: Dc
CN
7 yrs
5.0
/5
·
47 reviews
·
"Fast Delivery"
Contact Supplier
100mm 4 Inch Silent Air Cooler Inline Centrifugal Duct Fan

100mm 4 Inch Silent Air Cooler Inline Centrifugal Duct Fan

$29.00 - $39.00
Min Order: 1 piece
Applicable Industries: Building Material Shops
After-Sales Service Provided: Field Maintenance And Repair Service
Certification: ce
Warranty: 4 Years
CN
8 yrs
4.7
/5
·
10 reviews
·
"fast shipping"
Contact Supplier
China Supply Exhaust Extractor Fan Ventilation Strong Ventilation effect Greenhouse 4 6 8 inch Flow Blower Inline Fan Duct Fan

China Supply Exhaust Extractor Fan Ventilation Strong Ventilation effect Greenhouse 4 6 8 inch Flow Blower Inline Fan Duct Fan

$13.64 - $16.57
Min Order: 100 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
5 yrsverify
4.7
/5
·
37 reviews
·
"Great service"
Contact Supplier
4/6/8/10/12 Inch Easy installation High Air Flow House Ventilation Silent Extractor Inline Pipe Fan/ Duct Fan

4/6/8/10/12 Inch Easy installation High Air Flow House Ventilation Silent Extractor Inline Pipe Fan/ Duct Fan

$13.00 - $27.00
Min Order: 1 unit
Applicable Industries: Restaurant
After-Sales Service Provided: Video Technical Support
Warranty: 1 Year
Electric Current Type: Ac
CN
1 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
98mm inlin duct fan 4 inch 212 cfm with electronic speed controller quiet ducted exhaust blower for grow tent

98mm inlin duct fan 4 inch 212 cfm with electronic speed controller quiet ducted exhaust blower for grow tent

$21.00 - $36.00
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Free Spare Parts
Warranty: 2 Years
Electric Current Type: Ac
CN
4 yrs
4.8
/5
·
7 reviews
·
"good service"
Contact Supplier
4 Inch Plastic Fume Exhaust Fan Light Weight Duct Pipe Extractor Fans Suitable For Home Use

4 Inch Plastic Fume Exhaust Fan Light Weight Duct Pipe Extractor Fans Suitable For Home Use

$20.00 - $30.00
Min Order: 20 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
5 yrs
5.0
/5
·
1 reviews
·
Contact Supplier
Energy saving low noise large air volume Commercial residential 4/5/6 /7/8/10/12/13 inch Round duct fan

Energy saving low noise large air volume Commercial residential 4/5/6 /7/8/10/12/13 inch Round duct fan

$29.90 - $38.00
Min Order: 1 set
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
1 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
4 Inch Exhaust Fan for Wall Window Bathroom ABS Ventilation Fan Kitchen Ceiling Extractor Vent Fan Toilets Duct Blower

4 Inch Exhaust Fan for Wall Window Bathroom ABS Ventilation Fan Kitchen Ceiling Extractor Vent Fan Toilets Duct Blower

$45.00 - $65.00
Min Order: 10 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Free Spare Parts
Warranty: 1 Year
Electric Current Type: Dc
TW
2 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
Spider Farmer 4 Inch In line Duct Fan with Temperature Humidity Controller For Grow Tents

Spider Farmer 4 Inch In line Duct Fan with Temperature Humidity Controller For Grow Tents

$89.99 - $159.99
Min Order: 1 piece
After-Sales Service Provided: Free Spare Parts
Warranty: 2 Years
Electric Current Type: Ac
CN
4 yrsverify
4.8
/5
·
24 reviews
·
"fast delivery"
Contact Supplier
4 6 8 inch Ventilation Exhaust Duct Booster Fan with Speed Controller

4 6 8 inch Ventilation Exhaust Duct Booster Fan with Speed Controller

$7.65
Min Order: 20 pieces
Applicable Industries: Building Material Shops
After-Sales Service Provided: Video Technical Support
Warranty: 2 Years
Electric Current Type: Ac
CN
14 yrs
4.9
/5
·
4 reviews
·
"fast sending"
Contact Supplier
Environmenttally friendly In line duct fan 4 inch silent powerful smoking room duct fan greenhouse duct fan

Environmenttally friendly In line duct fan 4 inch silent powerful smoking room duct fan greenhouse duct fan

$31.50
Min Order: 1 set
Applicable Industries: Construction Works?
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
7 yrsverify
4.2
/5
·
53 reviews
·
"good company"
Contact Supplier
Miwind Silent Anti-Backflow 4 Inch In Line Duct Fan

Miwind Silent Anti-Backflow 4 Inch In Line Duct Fan

$14.80 - $18.50
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 3 Years
Electric Current Type: Ac
CN
5 yrsverify
4.4
/5
·
9 reviews
·
"fast service"
Contact Supplier
4 inch 203 CFM Fan with Speed Controller 4'' Carbon Filter and 8 Feet Ducting Combo For Grow Tent Ventilation

4 inch 203 CFM Fan with Speed Controller 4'' Carbon Filter and 8 Feet Ducting Combo For Grow Tent Ventilation

$51.00 - $60.00
Min Order: 1 piece
CN
8 yrsverify
4.8
/5
·
8 reviews
·
"Friendly service"
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EC Fan Motor Small 100 mm AC Silent 4 inch Electric 220V inline duct fan

EC Fan Motor Small 100 mm AC Silent 4 inch Electric 220V inline duct fan

Ready to Ship
$37.90 - $44.70
Min Order: 1 piece
Shipping per piece: $34.29
Applicable Industries: Restaurant
After-Sales Service Provided: Free Spare Parts
Warranty: 3 Years
Electric Current Type: Ac
CN
11 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
Low Noise 240v Quiet Ec Motor Duct Greenhouse Ventilation 4 Inch Inline Fan

Low Noise 240v Quiet Ec Motor Duct Greenhouse Ventilation 4 Inch Inline Fan

$33.20 - $37.00
Min Order: 1 piece
Applicable Industries: Manufacturing Plant
After-Sales Service Provided: Video Technical Support
Warranty: 1 Year
Electric Current Type: Ac
CN
7 yrsverify
5.0
/5
·
3 reviews
·
"Swift delivery"
Contact Supplier
Plastic ventilation fan 4 inch two speed with remote control duct fan for rooms

Plastic ventilation fan 4 inch two speed with remote control duct fan for rooms

$10.25 - $10.55
Min Order: 10 units
CN
1 yrs
5.0
/5
·
1 reviews
·
"nice service"
Contact Supplier
4 Inch 100Mm Ac Dc Centrifugal Fan In-line Duct Fan Industrial Exhaust Fan With Duct

4 Inch 100Mm Ac Dc Centrifugal Fan In-line Duct Fan Industrial Exhaust Fan With Duct

$28.60 - $29.50
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Video Technical Support
Electric Current Type: Ac
CN
3 yrsverify
5.0
/5
·
1 reviews
·
Contact Supplier
4 inch 0-100% speed controlling hydroponic grow systems inline fan

4 inch 0-100% speed controlling hydroponic grow systems inline fan

$37.00 - $55.00
Min Order: 1 piece
Applicable Industries: Restaurant
After-Sales Service Provided: Free Spare Parts
Warranty: 1 Year
Electric Current Type: Ac
CN
11 yrsverify
5.0
/5
·
7 reviews
·
"quality service"
Contact Supplier
FENGDA 4 Inch 190 CFM Inline Duct Fan Vent Blower Ventilation Fan for Grow Tent ETL Certified

FENGDA 4 Inch 190 CFM Inline Duct Fan Vent Blower Ventilation Fan for Grow Tent ETL Certified

$22.00 - $25.00
Min Order: 100 pieces
Applicable Industries: Garment Shops
After-Sales Service Provided: Online Support
Certification: ce
Warranty: 2 Years
Electric Current Type: Ac
CN
10 yrs
0.0
/5
·
0 reviews
·
"Excellent service"
Contact Supplier
Reliable EC 4 Inch Plastic Duct Fans for Precision Climate Control in Diverse Applications

Reliable EC 4 Inch Plastic Duct Fans for Precision Climate Control in Diverse Applications

$10.00
Min Order: 100 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Field Maintenance And Repair Service
Warranty: 1 Year
CN
7 yrsverify
5.0
/5
·
3 reviews
·
"good service"
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CHIN-UP 4" Inch 190 CFM Inline Duct Fan With Built In Variable Speed Controller For Ventilation

CHIN-UP 4" Inch 190 CFM Inline Duct Fan With Built In Variable Speed Controller For Ventilation

$15.00 - $50.00
Min Order: 100 pieces
After-Sales Service Provided: Online Support
Certification: ce
Warranty: 1 Year
CN
10 yrs
4.7
/5
·
3 reviews
·
"AMAZING SERVICE"
Contact Supplier
220v 2 inch 5inch 4 inch 6 inch 10 inch in line 1000 cfm inline duct exhaust fan with temperature speed controller

220v 2 inch 5inch 4 inch 6 inch 10 inch in line 1000 cfm inline duct exhaust fan with temperature speed controller

$12.50 - $18.00
Min Order: 10 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
2 yrs
5.0
/5
·
2 reviews
·
Contact Supplier
Hydroponic 4 6 5 8 10 Inches Customization Mixed Flow Inline Duct Fan for Grow Tent Silent Extractor Fan

Hydroponic 4 6 5 8 10 Inches Customization Mixed Flow Inline Duct Fan for Grow Tent Silent Extractor Fan

$83.04 - $114.00
Min Order: 2 pieces
Applicable Industries: Retail
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
14 yrsverify
4.9
/5
·
22 reviews
·
"reliable service"
Contact Supplier
KCVENTS 4 Inch Air Extractor Mixed Flow EC Inline Duct Fan For Hydroponic Ventilation Inline Fan

KCVENTS 4 Inch Air Extractor Mixed Flow EC Inline Duct Fan For Hydroponic Ventilation Inline Fan

$34.00 - $37.00
Min Order: 10 units
Applicable Industries: Building Material Shops
After-Sales Service Provided: Online Support
Warranty: 3 Years
Electric Current Type: Ac
CN
3 yrsverify
4.8
/5
·
28 reviews
·
"excellent service"
Contact Supplier
Wholesale 4 Inch Low Noise ABS Duct Air Fan Circular Exhaust Fan Low Price 220v

Wholesale 4 Inch Low Noise ABS Duct Air Fan Circular Exhaust Fan Low Price 220v

Ready to Ship
$11.00 - $12.00
Min Order: 4 boxes
Shipping per piece: $25.25
CN
5 yrs
0.0
/5
·
0 reviews
·
Contact Supplier
6 inch full plastic in line duct fan exhaust ventilation fan

6 inch full plastic in line duct fan exhaust ventilation fan

$16.70 - $17.50
Min Order: 500 pieces
Applicable Industries: Restaurant
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Ac
CN
12 yrsverify
4.9
/5
·
15 reviews
·
"fast delivery"
Contact Supplier
Factory Customized 4 Inch EC Inline Silent Duct Fan

Factory Customized 4 Inch EC Inline Silent Duct Fan

$56.00 - $60.00
Min Order: 1 piece
Applicable Industries: Retail
After-Sales Service Provided: Online Support
Warranty: 1 Year
Electric Current Type: Dc
CN
14 yrsverify
4.1
/5
·
10 reviews
·
"great service"
Contact Supplier
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About products and suppliers

With 4 inch duct fans, you are not limited to ventilation or air conditioning, but you can also extract the smoke or the industrial dust from the premises. You can use the centrifugal exhaust fans to circulate the air and any other gas. The materials of construction differ depending on the abrasion of gases contained in the stale air.



Contrary to the axial fan, the centrifugal air blower has its ventilation system nonparallel to the fan shaft. The efficiency of 4 inch duct fans is significantly impacted by the inclination of blades. We recommend radial blowers that have radial fan blades for optimal performance.



We have different types of fans and blowers with some amazing characteristics. The flow rate of 4 inch duct fans is adaptable to the air volume you want to treat (from a few hundred cubic meters to several thousand cubic meters). The turbine diameter is adjustable and the operation temperature is maximal. The construction materials vary from painted steel to stainless steel.



With high-pressure centrifugal blowers, the air is drawn axially and expelled radially. You can generate high pressures with this type of centrifugal fan. They are an integral part of your ventilation system and their technology allows for continuous regulation of your space environment. Explore our catalog now and find notable wholesale deals.



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