Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo
Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo

Walden White 4" Ventilation & Air Filtration Kit – Inline Fan, Carbon Filter & Ducting Combo

Regular price$165.00
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Choose Your Size: 4IN 188 CFM Kit
  • In stock, ready to ship
  • Inventory on the way
  • Free US shipping (+$200)
  • Easy returns within 30 days

Our all-in-one ventilation kits provide healthy airflow while removing harmful airborne particles from your grow space

  • Creates a stable air intake/outtake CEA system
  • Powerful but quiet <31 dB inline fan
  • 3-speed fan dials in optimal growing conditions 
  • Carbon filter removes odor, spores, pollen, chemical irritants & more 
  • High quality components & consistent, reliable performance

The Walden White 4" Ventilation & Air Filtration Kit comes with everything you need to easily setup a clean and healthy growing environment right out of the box including a 4" Inline Fan, 4" Carbon Exhaust/Intake Filter with pre-filter, 25′ of 4" Aluminum Ducting, three 4" Ducting Clamps and four 1/8" Hydroponic Hangers.

The Walden White 4" Ventilation & Air Filtration Kit can function as either an intake or exhaust system. Please refer to the VENTILATION KIT INSTALLATION GUIDE for different setup configurations.

Free ground shipping on all orders over $200 in the continental US. Free ground shipping on all orders over $350 in HI, AK and Canada (BC, MB, NB, AB, ON and SK only). Products ship within 1-2 business days from date of purchase.

Active Grow proudly participates in the 1% for the Planet® program and donates 1% of all annual sales to organizations that promote sustainable agricultural practices.  

Featured Review

Learn about the 4′x4′ and 2′x4′ Walden White Grow Tents and how to make a complete setup using Active Grow LED grow lights and ventilation kits.

Watch now

Get Growing
Combine the Walden White 4" Ventilation & Air Filtration Kit with an Active Grow Walden White Grow Tent and LED grow lights and get growing today!

Smooth Operator
The powerful inline fan provides efficient and quiet 188 CFM airflow at 2400 RPM and <31 dB and comes with a corded multi-speed controller that allows growers to manually adjust the fan speed.

Maintain a Healthy Grow Space
The carbon filter removes odor, spores, pollen, chemical irritants and other harmful airborne particles from the air to help keep your plants healthy and your grow space clean. The pre-filter is machine washable to extend the lifetime of the filter.

Custom Configurations
The versatile inline fan, carbon filter and ducting can be configured to work in both open and closed loop ventilation systems. The fully adjustable and auto-locking hydroponic hangers can support up to 150 lbs/pair.

Specifications

4" Inline Fan

  • 60W / 120V
  • 188 CFM / 2400 RPM
  • Corded multi-speed controller
  • Silent operation <31 dB
  • 4" aperture - 11.6"(l) x 8"(w) x 7.7"(h)
  • 1-year warranty

4" Carbon Exhaust/Intake Filter

  • Removes odor, spores, pollen, chemical irritants and other airborne particles
  • Machine-washable pre-filter (1pc)
  • Recommended airflow 150-200 CFM
  • 4" aperture 2" flange - 8"(d) x 12"(l)

4" Ducting & Clamps

  • High-quality flexible aluminum
  • Corrosion & heat resistant
  • Reinforced steel-wire design
  • Stainless steel 4" ducting clamps (3pcs)
  • 4"(d) x 25(l)

1/8" Hydroponic Hangers

  • Heavy duty 1/8" braided rope with carabiner and ratchet (4pcs)
  • Fully adjustable and auto locking
  • Supports up to 150 lbs/pair
  • Designed to hang lighting, fan, filter, etc.

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