WIDE VOLTAGE:Support for 110-220V power supply. With 1.5 meter power cord.
ENERGY SAVING: Built with a cutting edge brushless EC motor and dual jet type impeller, our 8" fans deliver 710 Cubic Feet per Minute (CFM) of Airflow using only 75 Watts. 
QUIET & FULLY ADJUSTABLE: Equipped with one 0-100% speed controller. Adjust the motor speed from 0%-100% without creating any additional hum or background noise. Wireless, thermal and thermal&humidity speed controller add-ons available. 
DIY SPEED CONTROL SUPPORT: Our EC fans support external speed controllers with popular PWM and 0-10V signal types. The fan can be connected to an external controller using a 3.5mm TRRS DIY wire(sold seperately).
COLD ROLLED STEEL HOUSING: Resists accidental damage, harsh elements and reduces maintenance in demanding applications such as ventilation of grow tents, gardens, farms, crawl spaces, attics, etc.
COMPACT SIZE: Only 8.74" (L) x 8.66" (W) x 8.78" (H). Ideal in applications with minimal clearance available. Mounting bracket, screws, and anchors included.
INTERNATIONAL CERTIFICATION: Our fans have obtained multiple international certifications, such as: ETL, CE, SAA, UKCA, PSE, etc.