TerraBloom 12.3" (313mm) Inline Duct Fan, ECMF-315-INT (220-277V), 1700 CFM, 320W

  ECMF-315-INT is a 220-277V version designed to reduce current load in commercial applications UPDATED COMMERCIAL POWER VERSION: ECMF-315-INT was designed to work from commercial 3-phase 277V power supply, as well as international 220-240V 50/60Hz power. ENERGY SAVINGS: Built with cutting edge brushless EC Motor and dual jet type blades, this blower delivers 1700 CFM airflow rate using just 3200 Watts 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 0%-100% without creating any additional hum or background noise. Wireless and programmable thermostat speed controller add-ons available.  PWM, 0-10V CONTROLLER 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 wire supplied with the fan. COLD ROLLED STEEL HOUSING: Resi