Brand new Upgraded 4" Inline Duct Fan/Blower with Airflow Rate & Aluminum Fan Blade! This portable mini duct fan is able to move air through carbon filters, long stretches of ducting or grow light reflectors. Exchange stale air with fresh air to keep temperature or humidity under control and cool your reflector with this mini blower! It's also an excellent ventilation for home use. Safe and environmental friendly.


  • Can clear odor of 512 cubic feet (8ft x 8ft x 8ft) grow tent within 5 minutes!
  • Dual crimped flanges on both sides to hook-up with duct easily.
  • Galvanized steel sheet housing.
  • Lightweight and practical.
  • Perfect for ventilation of Grow Room or air cooling of grow light reflector.
  • Flange: 4" Diam.
  • Power: 120V/110V 60Hz 37W

Package Contents:

  • 1x Upgraded 4" Vent Mini Blower
  • Upgraded Heavy-duty Motor: UL listed for safe use and More powerful and efficient
  • High-quality Aluminum Fan Blade:More durable and powerful than plastic fan blades
  • Thicker Galvanized Steel Sheet Housing to avoid deformation in transit
  • Come with 5-1/2 feet Grounded Power Cord with US standard plug
  • Dimension: 7-1/2" L x 4" W

4" Inline Duct Booster Fan w/ Aluminum Blade Hydroponics Grow Tent Cooling Ventilation Exhaust Air Blower


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