1. 4″ Carbon Filter for 100% Air Filtration – Removes 3x More Odors, Contaminants, Dust, Pollen, Particles. Australian Virgin Charcoal, Reversible Flange 4×14″ for Inline Duct Fan Combo, Grow Tent
* Upgraded 100% Filtration Filter – This is the ultimate 4″ Carbon Filter that instantly gives you cleaner, healthier air. Highly effective in removing foul odors including second hand smoke, pet odors, mildew, and musty smells. Essential for anyone with allergies. Improves family wellness with greater protection .
* World’s Finest Activated Carbon – Made with imported Australian virgin activated charcoal considered by experts to be among the very finest available. Filters 3 times more odors and particulates than standard filters. You get 100% filtered airflow with 1050+ RC 48 rated carbon. Ideal for smelly grow operations, bathrooms, kitchens, wash room, and more.
* Ideal Replacement Filter – Can be used as intake or exhaust filter in a wide variety of systems and situations. Universal fit for 4″ inline fans and duct fans, intake and exhaust fans, air exchange fans, ventilation ducts, and other similar uses and designs. It’s fast and easy to install.
* Favorite Black Color – This comes in customer favorite black. This will not show dust and dirt like white and silver versions found elsewhere. This filter measures 4″ by 14″ long. Check your equipment to verify this size is right for you. Durable construction with the professional quality filtration you want and deserve.
* Stock Up Now – Get this improved design and much higher quality air filtration for your home or business. Many people are buying several to fully outfit their home for months of healthier, more pleasant air. It makes a thoughtful gift for anyone who needs cleaner air for stronger health and wellness.
2. AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
HOUSEHOLD APPLICATIONS: Help to boost airflow in HVAC units to remove exhausts from bathrooms & workshops and ventilate basements & attics, etc.
UPGRADED ADVANTAGES: Superior balanced Plastic 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.
4. 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, basements or kitchens; Can be used with a variable speed controller (bought separately).
5. TerraBloom ECMF-100, Quiet 4 Inch Inline Duct Fan with Variable Speed Controller – Ventilation Exhaust Fan for Heating Cooling Booster and Grow Tents
APPLICATIONS – Our 4 Inch inline fan can be used in indoor grow facilities and vertical farms, heating and cooling transfer, commercial drying and air filtration applications. Built in blowers not only simulate winds, smokes & exhaust odors but also intakes fresh airflow.
EFFICIENCY – TerraBloom air duct fan 4 inch features brushless EC Motor and dual jet type blades, this blower delivers 141 CFM airflow rate using just 21 Watts at max speed. It translates into less than $50 annual cost of 24/7 operation at max speed using $0.29 average cost per KWH. Our fans don’t purge or waste electricity at lower speeds.
UNIQUE CONTROLLERS – Our 4 inch duct fan includes a variable speed controller which increases or decreases speeds without background noise or hum at low speeds. You can also upgrade to our wireless remote control (Model: ECMF-WR) and intelligent thermostat speed controller (Model: SC-ECMF) as well.
BUILT & DESIGN – TerraBloom Grow Fan features aluminum housing that resists rust, protects the motor & blades from accidental damage. This fan has IPX4 ingress protection rating to ensure long lasting. Extremely compact and fits into spaces with minimal clearance.
SIZE & FEATURES – Duct size: 4 inches | Dimensions: 6.3 x 7.3 x 5.9 inches | Bearings: Dual Ball | Noise 18 dBA | Air Flow: 141 CFM | HVI Certified | Energy Star Listed | 2 years Warranty.
6. VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting for Grow Tent
Effective Ventilation: Powerful blower with a fan speed of 2300 RPM for an air flow of 190 CFM; Moves air through your target location efficiently for optimal ventilation
Superior Carbon Filter: 1050+ RC 48 Australian virgin charcoal bed; Dimensions: 4″ x 14″
Effective smelliness Control: The carbon filter eliminates some of the most undesirable smellinesss, pungent smells, and particulates from your indoor grow tent or hydroponics grow room
Sturdy Ducting +2 Stainless Clamps: Strong, flexible steel wire supports heavy-duty triple layer duct walls; PET core is sandwiched in layers of fire-retardant aluminum that can handle temperatures from -22⁰ to 266⁰ Fahrenheit
Advanced Growing Made Easy: Don’t waste time buying and returning parts that may or may not be compatible or safe to use together! This 3-part system includes everything you need to get set up.
7. AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
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
8. VIVOSUN 4 Inch Air Carbon Filter Smellines Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-filter Included, Reversible Flange 4″ x 14″
Superior Carbon Quality: Made of imported Virgin Australian activated charcoal, delivering 100% filtered airflow. 1050+ RC 48 carbon captures three times more air contaminants than average due to optimal surface area per carbon particle
Eliminates Smelliness: Protects from smelliness from pungent indoor grow operations to bathrooms, basements and kitchens. Absorbs smelliness from pets and smoking as well
Effective Smelliness Control: Eliminate some of the most undesirable, pungent smell and particulates from indoor grow tent, hydroponics grow room
Versatile Applications: Item can be used as intake or exhaust filter in a variety of setups including use with 4 inch inline fan and duct fans, intake and exhaust fans, air exchange fans, ventilation ducts, and other accessories
9. iPower GLFANXEXPSET4D25CHUMD 4 Inch 150 CFM Inline Filter 25 Feet Ducting with Fan Speed Controller and Temperature Humidity Monitor and Grow Tent Ventilation, Black
4 Inch 150 CFM Duct Inline Fan Blower: Composite fan blades and center hub which reduces noise and vibration.
4 Inch Filter: Dimensions: 4″ Flange Ducting x 12″ Length; Reversible flange. Free Pre-Filter included: We recommend replace the Pre-Filter every 6 months to protect your filter.
4 Inch 25 Feet Uninsulated Aluminum Ducting + 2 Stainless Clamps: Flame-retardant coating and corrosion-resistant wire helix; Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃).
Fan Speed Controller: Variable Speed, Off, High, MED, Low. To avoid the risk of burning out the fan motor, controller does not adjust below 50%. Free Pre-Filter included: We recommend replace the Pre-Filter every 6 months to protect your filter.
Multifunctional: This ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense.
10. VIVOHOME 4 Inch 195CFM Plastic Round Exhaust Inline Duct Fan for Hydroponics Grow Tent Ventilation
EFFICIENT FAN – Quiet and efficient design, work well in ventilating grow tents, transfer heat or cool rooms, circulate fresh air, and control proper humidity, temperature, and air quality for your grow area; Be aware that 195 CFM is the maximum value of air flow tested at ZERO atmospheric pressure
PREMIUM CONSTRUCTION – Blades are made with high-quality components for smooth, whisper-quiet operation; Ultra-accurate craftsmanship of the centrifuge reduces noise and vibration; Compact design means minimal use of space and will fit in any grow room
LOW NOISE – Fan runs at 2930 RPM with 195 CFM of airflow; Fan is equipped with a flow deflector to cut noise output; Runs at 30 dB noise level to ensure your grow operation won’t disturb your life
EASY TO INSTALL – Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required; The housing, even the impeller and blades, are easy to detach for cleaning and maintenance
WIDE APPLICATIONS – Clean and freshen the air for your plants, keeping your environment cool and balanced, ideal for indoor ventilation and odor filtration; Widely used in pharmacies, bakeries, cafes, grow tents, hydroponics, bathrooms, greenhouses, basement workshops, etc
