TerraBloom 14" (353mm) Inline Duct Fan with Speed Controller, ECMF-355-INT (220-277V), 2700 CFM, 557W

OUR NEWEST AND MOST POWERFUL INLINE FAN FOR COMMERCIAL APPLICATIONS: ECMF-355-INT delivers a staggering 2700 maximum CFM using commercial 3-phase 277V or international 220-240V 50/60Hz power supply.  ENERGY SAVINGS: Built with cutting edge brushless EC Motor and dual jet type blades, this duct blower uses just 557 Watts / 4.7A at max speed. QUIET & FULLY ADJUSTABLE: Choose from 2 included speed controllers. Analog granular type or digital with 8-speed presets and numeric screen. Adjust the motor speed from 35%-100% (980-2700 CFM) without creating any additional hum or background noise. Wireless and programmable thermostat speed controller add-ons available.  INTEGRATION WITH COMMERCIAL PWM, 0-10V ENVIRONMENT MANAGEMENT SYSTEMS: 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 wire supplied with the fan. Supports GrowLink Systems. Support multiple fans per cont