Astberg AEC Quiet Inline Duct Fan with 0-100% Variable Speed controller Energy Efficient EC Motor ..

Astberg EC duct fans are used in indoor grow faciliti.. Astberg EC duct fans are used in indoor grow facilities and vertical farms, heating and cooling transfer, commercial drying and air filtration applications. Our inline blowers can also create negative pressure environments, simulate wind, exhaust odors and smoke as well as intake fresh air from outdoors Built with cutting edge brushless EC Motor and dual jet type blades, this blower delivers 530CMH airflow rate using just 50 Watts at max speed. Our fans don’t “purge” or waste electricity at lower speeds. Our EC fan gives you a unique flexibility of controls – choose any speed from 0 to 100% using the included variable speed controller without creating background noise or hum at low speeds. Or choose to upgrade to a wireless remote control or intelligent thermostat speed controller with temperature programming . Coated steel housing resists rust, protects motor and blades from accidental damage and harsh elements to reduce maintenance in demanding applications. This fan has IPX4 ingress protection rating + more