10 Best Inline Duct Blower of December 2025

• A duct fan designed to increase airflow in HVAC systems and ventilate home spaces like attics and workshops.
• Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
• Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
• AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
• Duct size: 6” | Dimensions: 7.28 x 5.90 x 5.90 in. | Airflow: 265 CFM | Noise: 35 dBA | Bearings: Dual Ball

AC Infinity

• Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
• Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.
• Mixed flow design combined with a PWM-controlled DC or EC-motor for a truly quiet and energy efficient performance.
• Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.
• Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball

AC Infinity

• Specifications: diameter: 12inch; Air flow: 1060 CFM; Speed: 2378 RPM; Wattage: 290W; Noise level: 71dB. 110V standard household plug; Pre-wired 5 Feet power cord.
• Details: one control switch for 3 settings: variable speed, OFF, HIGH, MED, LOW. To avoid the risk of burning out the fan motor, controller does not adjust below 50%.
• Durability: durable ceramic-coated can resist atmospheric corrosion from humidity. Tight and precise construction reduces wear and tear to give the element a long life. Permanently lubricated bearing that requires zero maintenance.
• Advantages: remove heat from the system to solves air delivery problems without major system rework or expense. Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.
• Power source type: Corded Electric

iPower

• Easily adjust the speed of inline duct fans to your requirement
• Save energy and control the noise levels of your fans
• Simple box design to stay out of the way and keep cords tangle-free
• Automatically protects against fan motor burnout; grounded plug for safe use
• Note:Don't use it on brushless type motors

VIVOSUN

• Specifications: diameter: 12inch; Air flow: 1060 CFM; Speed: 2378 RPM; Wattage: 290W; Noise level: 71dB. 110V standard household plug; Pre-wired 5 Feet power cord.
• Durability: durable ceramic-coated can resist atmospheric corrosion from humidity. Tight and precise construction reduces wear and tear to give the element a long life. Permanently lubricated bearing that requires zero maintenance.
• Advantages: remove heat from the system to solves air delivery problems without major system rework or expense. Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.
• Easy to install: the installation process only takes a few minutes. Tip: The maximum ambient temperature is 176°F/80°C; Without speed controller.
• Package including: 1 pack 12inch 1060 CFM inline duct ventilation fan.
• Power source type: Corded Electric

iPower

• Provides outstanding ventilation airflow for areas such as engine compartments, galleys, bilges, and heads
• Features a patented, in-line design and the 5-blade fan maximizes airflow and efficiency
• The blade sweep and pitch are engineered for a high lift coefficient, resulting in increased airflow speed for optimized ventilation
• System airflow exceeds older-style in-line blowers by as much as 25 percent
• Up to four times more efficient than competitive blowers as it draws up to 40 percent fewer amps
• Marine ignition protected and has built-in mounting feet for easy vertical or horizontal installation
• Do not operate in area of high heat over 160º F (71º C)

attwood

• Voltage: 12V DC, Flow capacity: 270 CFM (Cubic Feet per minute)
• Current Draw: 6 Amp Draw, Suits 4" Diameter Hose
• Provides ventilation for engine compartments, galleys, bilges and heads
• White ABS plastic construction with built-in molded mounting brackets
• Corrosion proof design and water resistant motor casing for use in the marine environment

SEAFLO

• POWERFUL AIR FLOW: Heavy hitting blower with a fan speed of 2450 RPM for an air flow of 440 CFM. Moves air through your target location efficiently for optimal ventilation.
• RUNS SMOOTH AND QUIET: Powerful fan puts out only 50 dB noise level.
• DURABLE BUILD: Galvanized steel parts come factory painted to resist atmospheric corrosion from humidity. Tight, precise construction eliminates rattling and reduces wear and tear to give the element a long life.
• HIGH TECH DESIGN: The aerodynamically designed centrifugal impeller of this unit delivers strong air flow with a disproportionately low sound profile.
• VERSATILE APPLICATIONS: Ideal for cooling lighting fixtures or controlling hot and humid conditions in grow tents/rooms. NOTICE: Without speed controller.

VIVOSUN

• HOUSEHOLD APPLICATIONS: Help to boost airflow in HVAC units to remove exhausts and odors from bathrooms & workshops and ventilate basements & attics, etc.
• UPGRADED ADVANTAGES: Superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance; Portable and lightweight; Sufficient 5.5' grounded power cord
• SPECS.: Diameter 6 inch, Speed 2960 RPM, Air Flow 240 CFM, Voltage 110/120V, Power 37W
• GROW ROOM APPLICATIONS: Used as intake fan to bring fresh air into grow rooms; Also used as exhaust fan in smaller setups with LEDs or Lights under 400W.
• NOTE: Max Operating Temp of Motor is 130℃ / 266℉; Max Ambient Temp is 60℃ / 140℉. If any other materials/particles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly.

VIVOSUN

• Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
• Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
• Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
• Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.
• Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball

AC Infinity