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AC Infinity CLOUDLINE A4 inline duct fan with 10-speed controller

AC Infinity ★ 4.4/5 · ItemOracle Score Mid-Range

$80 USD
Price subject to change
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AC Infinity CLOUDLINE A4, Quiet 4 Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

Quiet inline duct fan with mixed-flow design and EC motor for energy-efficient venting. Includes wired 10-speed controller and compatibility with CLOUDLINE controllers, delivering quiet performance for grow tents and rooms. Customers note ultra-quiet operation and solid build

Highlights

  • quiet mixed-flow design
  • EC-powered motor
  • included wired controller

Pros

  • quiet operation
  • solid build quality
  • includes wired 10-speed controller
  • energy-efficient EC motor
  • compact dimensions for ducting

Cons

  • no app-only control mentioned
  • specific use cases may require compatibility checks

Best For

  • grow tent ventilation
  • attic/AV closet cooling
  • heating/cooling transfer to rooms
  • odor exhaust in enclosed spaces
  • hydroponics setup ventilation
  • ducted ventilation in small rooms

Features

  • Quiet inline duct fan with EC motor and 165 CFM airflow at 29 dBA
  • Includes wired 10-speed fan controller and compatibility with CLOUDLINE smart controllers
  • Mixed flow design combines efficient transport with low noise operation
  • Compact dimensions 6.9 x 11.9 x 7.4 inches and dual ball bearings

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