The Voluntary Sector Initiative is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

Top 10 3 Inch Exhaust Fan Duct of 2020 – Consumer Guide & Reviews

Rank No. #1
Hon&Guan 3 inch Air Duct - 16 FT Long, Black Flexible Ducting HVAC Ventilation Air Hose for Grow Tents, Dryer Rooms,Kitchen
  • LOW NOISE SILENCER: designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.
  • 3" DUCTING LIGHTPROOF: Thick layer of Black PVC on Hon&Guan ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 3" in diameter
  • 3-LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape,keep your ventilation system free of rips and pin holes
  • FLEXIBLE AND EASY TO USE: Hon&Guan 3 Inch Duct is super flexible and easy to install, it will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector.This Ventilation Duct is 4 Inches in diameter and comes in one 16 Feet Long Piece, which can be cut into as many pieces as you need using a wire cutter and a paper knife
  • VARIETY OF APPLICATIONS: Hon&Guan Ducting Is suitable for HVAC system. It will move and deliver air in Kitchens (cooking exhaust), Green Houses and Grow Rooms (Air Circulation, Intake, Exhaust and Light Fixture Cooling), Bathrooms (Smell and Moisture Exhaust), Dryer Rooms, Grow Tents and other applications etc.
Rank No. #2
Hon&Guan 3 Inch Extractor Fan High Efficiency Mixed Flow Ventilation System Exhaust Air for Bathroom Kitchen Inline Duct Fan (S Series)
  • ❄️【Easy to Install】Hon&Guan inline duct fan's blade and the body are made of plastic.Plastic fan is lighter than steel. Removable duct ends with locking tabs for quick removal and easy maintenance.Notes: no plug, you can wire on a standard house plug.
  • ❄️【High quality material】UV and corrosion resistant, durable plastic housing Ideal for long duct runs, suitable for air temperatures from -4℉ to 140℉.
  • ❄️【Application Scenarios】Designed to quietly ventilate grow tents, transfer heating/cooling to rooms, circulate fresh air, cool AV closets, exhaust odors.
  • ❄️【Powerful and Silent】Durable plastic fan housing and blades for extremely low noise. Quickly and efficiently move vast amount of air.
  • ❄️【Long life】Long life ball bearing motor (up to 50,000hours) with thermal overload protection. For Air Purification-Removing a large amount of air pollutants and bacteria.
Rank No. #3
Mophorn Inline Duct Fan 3 Inch 30 CFM Mixed Flow Fan Ventilation Inline Exhaust Fan for Ventilation in Bathroom Kitchen Home and Grow Room
  • POWERFUL - The 3 inch inline duct fan, mixed flow exhaust fan, is powerful and silent for home ventilation bathroom vent and grow room ventilation. Power: 29/25 W. Air volume: 46/43 m3/h. Air pressure: 129/114 Pa
  • STYLISH AND QUIET - High performance hydromechanical design, high efficiency working, low energy consumption, ultra-quiet operation. Noise: 26/21 dB. Lifespan: 50000 h. Protection class: IP44
  • TWO SPEEDS - The long life ball bearing motor has low and high two speeds and is equipped with standard thermal overload protection. Double speed: Low/High. Speed: 2750/2550 RPM
  • EASY TO INSTALL AND MAINTENANCE - Two quick release clips enables the motor to rotate, to provide connection for confined spaces and removal for maintenance without removing the whole fan or duct. The fan can be mounted in line or at either and of the duct run and at any angle. Horizontally or vertically
  • EASY TO INSTALL AND MAINTENANCE - Two quick release clips enables the motor to rotate, to provide connection for confined spaces and removal for maintenance without removing the whole fan or duct. The fan can be mounted in line or at either and of the duct run and at any angle. Horizontally or vertically
Rank No. #4
HG POWER 3 Inch Inline Duct Fan Booster Fan Plastic Waterproof Ventilation Pipe Exhaust Ceiling Bathroom Fan
  • DURABLE PP PLASTIC MATERIAL: Fan frame and blade are made of high-quality durable PP plastic, UV and corrosion resistant, ultra portable.
  • WATERPROOF AND DUST RESIST: Durable plastic fan is IP44 protection class.resisting the rain, water and dust for your life.
  • LIGHTWEIGHT AND EASY INSTALLATION: Plastic fan is lighter than steel. Removable duct ends with locking tabs for quick removal and easy maintenance.
  • SPECIAL FAN BLADE DESIGN: Fan blade is designed according to hydromechanial principle to reach the optimal airflow and air pressure, high efficiency working, low energy consumption and low noise.
  • WHAT YOU GET: We have worriless 12-month and friendly customer service.If there exist any problems, please feel free to contact us. we will reply immediately in 24 hours.
Rank No. #5
XinPengtai Black Round Exhaust Inline Duct Fan, 12V 3in Cabin Ventilation Exhaust Fan for RV Marine Yacht Bathroom
  • Provide higher air flow, can be installed on any flat surface, quieter operation than standard blowers.
  • Front and rear shaft and corrosion resistant motor housings for long life, compact and.
  • Anti‑corrosion plastic, built‑in mounting feet allows easy vertical or horizontal installation.
  • Five fan maximizes airflow and efficiency, sealed motor shaft for moisture protection.
  • Low current draw, high volume air flow, long life and smaller size for any limited area.
Rank No. #6
Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3” (IRB43)
  • Designed to transition between 4" and 3" diameter ducts
  • Simply slip the ducts over the increaser/reducer, tightening in place with clamps (not included)
  • Durable polypropylene construction has a melting point of approximately 325 degrees
  • Connects a 4 inch dryer exhaust hood to a 3 inch duct
  • Ideal for bathroom fan installations
Rank No. #7
Deflecto Non Insulated Metallic Duct, Flexible, 3" x 25', Silver
  • Our non insulated metallic duct is perfect for use in low to medium pressure HVAC applications
  • Constructed from aluminum for flexibility
  • Flexible design makes for easy installation
  • Features UL 181 Class 1 air connector
  • Recommended for bathroom venting and general purpose venting
Rank No. #8
3 Inch Flexible Duct Hose 16 Feet Non-Insulated Aluminum Dryer Vent Hose Noise Reducer PVC Air Hose for HVAC Ventilation, Inline Duct Fan, Black (2 Clamps Included)
  • 【STURDY VENTILATION DUCT】3 Inch air duct hose made of aluminum foil thick layer of white PVC on this ducting, prevents light leaks. Flame-retardant coating,working on -22 to 266℉ environment.
  • 【LOW NOISE & LEAK PROOF】 This is reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%. Steel spring wire lock together with the aluminum foil both outside and inside to form an airtight and leak proof lock system.
  • 【SUPER FLEXIBLE】Can be bent at 360° and freely stretched as well without deformation,no rigid elbow, help to reduce the ventilation resistance and the leak of wind.
  • 【EASY TO INSTALL】3 Inch 16 Feet Length (when fully extended) dryer hose with 2 x 304 stainless steel duct clamp,easy to secure on your inline fan or other duct openings, then use screwdriver fix the clamp on ducting. In additional, the length can be cut, you can simply cut it with scissor for what you ideal size.
  • 【Various Applications】Black dryer vent hose will move and deliver air in HVAC, Air Conditioner, Dryer Rooms, Bathroom(smell and moisture exhaust), Kitchens(cooking exhaust), Grow Tent and so on.
Rank No. #10
VIVOSUN 4 inch Inline Duct Fan 100 CFM, HVAC Exhaust Intake Fan, Low Noise & Extra Long 5.5' Grounded Power Cord
  • 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 4 inch, Speed 2930 RPM, Air Flow 100 CFM, Voltage 110/120V, Power 12W
  • 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.
Rank No. #11
Tech Drive Bathroom fan 50 CFM, 1.0Sone DC Motor with No Attic access Needed Installation,Very Quiet Ventilation and Exhaust Fan, Ceiling Mounted Fan, White
  • Super quiet bathroom fan (1.0 sones) and Strong air movement (50CFM) for bathroom up to 50 Sq. Ft. Recommened for use in small room.
  • Easy-to-Install: No cut housing with no attic access installation and replaces most small bathroom standard fans using existing opening. it can be done entirely from the room-ceiling side – no attic access needed installation.
  • Low profile white grill cover,Housing size: 7.5in x 7.25in x 4in with 3in duct. ceiling mounting Opening: 7.6in x 7.3in.
  • The motor has a 7-second delay protection function, when the fan just starts to run.Efficient and quiet,excellent DC motor perfomance, the power is only 7W.
  • Energy Star qualified, UL and HVI certified for performance assurance.Acceptable for use over a bathtub or shower when installed in a GFCI-protected branch circuit.
Rank No. #12
iPower Silent 4 inch Booster Fan 90CFM Quiet Inline Duct HVAC Exhaust Vent Blower, Low Noise, 4", Silver
  • Applications: help to boost airflow in HVAC units to remove exhausts and odors from kitchens & workshops and ventilate basements & attics, etc. Great used as intake fan to bring fresh air into grow rooms.
  • Advantages: superior balanced blades for long service life & quiet operation; motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
  • High safety: with insulating coating, high safety factor. Portable and lightweight; sufficient 4. 9' grounded power cord.
  • Specification: diameter: 4inch; Air flow: 90CFM; Speed: 3200RPM; Voltage: 110-120V; Wattage: 15 W.
  • 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.
SaleRank No. #13
Nutone LPN80 LoProfile Energy Star Bathroom Fan 80 CFM, 1.1 Sone
  • VERSATILE FAN: Exhaust fan helps eliminate humidity, tobacco smoke and cooking odors in rooms over 75 sq. ft. to keep your home smelling fresh and clean
  • EFFICIENT: Operates on 80 CFM with a 4" duct or 70 CFM with a 3" duct and 1.0 Sones to ensure high-quality, quiet performance
  • EASY INSTALLATION: Fan is narrow enough to be installed in a wall between 2 x 4 studs for your convenience
  • HIGH-QUALITY: Exhaust fan is ENERGY STAR qualified for an environmentally- and economically-friendly option for your home
  • IDEAL SIZE: Housing measures 10.5" x 11.38" x 4", perfect for your home
SaleRank No. #14
POWERTEC 70145 4-Inch to 3-Inch Reducer
  • Connect 3-Inch opening duct to 4-Inch flexible hose
  • Transition 3-Inch duct to 4-Inch standard hose
  • Tough, durable ABS plastic material
  • 4-Inch nominal end measures 3-15/16-Inch O.D. and 3-45/56-Inch I.D.
  • 3-Inch nominal end measures 2-63/64-Inch O.D. and 2-23/32-Inch I.D.
Rank No. #15
Hon&Guan 3 inch Air Duct - 16 FT Long, White Flexible Ducting HVAC Ventilation Air Hose For Grow Tents, Dryer Rooms,Kitchen
  • LOW NOISE SILENCER: designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.
  • 3" DUCTING LIGHTPROOF: Thick layer of PVC on Hon&Guan ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 3" in diameter
  • 3-LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape,keep your ventilation system free of rips and pin holes
  • FLEXIBLE AND EASY TO USE: Hon&Guan 3 Inch Duct is super flexible and easy to install, it will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector.This Ventilation Duct is 3 Inches in diameter and comes in one 16 Feet Long Piece, which can be cut into as many pieces as you need using a wire cutter and a paper knife
  • VARIETY OF APPLICATIONS: Hon&Guan Ducting Is suitable for HVAC system. It will move and deliver air in Kitchens (cooking exhaust), Green Houses and Grow Rooms (Air Circulation, Intake, Exhaust and Light Fixture Cooling), Bathrooms (Smell and Moisture Exhaust), Dryer Rooms, Grow Tents and other applications etc.
SaleRank No. #16
VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent
  • EFFECTIVE VENTILATION: Powerful blower with a fan speed of 2500 RPM for an air flow of 195 CFM. Moves air through your target location efficiently for optimal ventilation
  • EFFICIENT DESIGN: Lightweight, compact fan takes up minimal space; ideal for applications where larger fans just won’t fit. Efficient flow deflector feature increases air flow while cutting noise output.
  • LOW NOISE LEVEL: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB
  • EASY INSTALLATION: Flanges on both the intake and exhaust ends for simple and easy hookup and a cord length of 5.9 feet for hassle free setup.
  • VERSATILE APPLICATIONS: Use anywhere that would benefit from improved air flow to reduce humidity, clear the air and lower temperatures in grow rooms, greenhouses, basements or kitchens; Can be used with a variable speed controller (bought separately)
Rank No. #17
SAILFLO 4 Inch Duct Inline Fan 76 CFM 110V 12W for Bathroom Vent Room Basement Greenhouse Attic Kitchen (4"/100mm)
  • Widely Used -- The 4" inline duct fan is widely used in homes, offices, warehouses, restaurants, bars, shops, shopping malls, grow tents, greenhouses and other places where a lot of air is needed.
  • Large Airflow -- It is designed with high quality sleeve motor, quiet and service life more than 3 years, with rotational speed 2400 r/min, 76 CFM large airflow.
  • Over-heat Protection >> The motor comes with low operating temperature and low heat generation, the built-in temperature protection device, the contact point is disconnected when the motor overheats, which acts as a power failure protection. double protection is safer.
  • DIY Your HVAC System >> You can supply fresh air with one or more fans to DIY air circulation systems depending on the size of your space.
  • Easy to install >> only connect it with 4" ventilation pipe, 39" cable (with no plug), brown live wire, blue neutral wire, easy to install, please fix the fan to avoid noise due to looseness.
Rank No. #18
Delta BreezGreenBuilder GBR80LED 80 CFM Exhaust Bath Fan with LED Light
  • Quiet operation at 0.8 sones
  • An indicator light underneath the grille assures you that this quiet fan is running
  • ENERGY STAR qualified for efficient cost-saving operation
  • Precision engineered with DC brushless motor for extended reliability, this fan will outlast many household appliances
  • Galvanized steel construction resists corrosion. Main light output: 850 Lumens; 2700K; 80 CRI for high color accuracy
Rank No. #19
AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops
  • A duct fan designed to boost 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: 4” | Dimensions: 7.28 x 3.95 x 3.95 in. | Airflow: 106 CFM | Noise: 28 dBA | Bearings: Dual Ball
Rank No. #20
Broan-NuTone Available NuTone WVK2A Flexible Wall Ducting Kit for Ventilation Fans, 4-Inch
  • DUCTING KIT: 9-piece kit includes everything you'll need for replacing your exhaust fan's ducting
  • DURABLE: Items are constructed with resin material for superior impact and UV resistance
  • ADAPTER INCLUDED: Features a 3" to 4" duct adapter for easy installation
  • FLEXIBLE DUCTING: 5-foot of 4-inch diameter flexible foil ducting for easy installation
  • DECORATIVE WALL CAP: White wall cap for 4" round duct includes 4 mounting screws to help install an attractive piece

Last update on 2021-06-17 / Affiliate links / Images from Amazon Product Advertising API

We’ve made a buying guide of top 10 3 Inch Exhaust Fan Duct for our consumer to review. The reports above show ratings of the best overal, best cheap 3 Inch Exhaust Fan Duct to buy in 2020.

If you think there is mislead information on any products and services, feel free to contact our experts at any time.