![BESB250 box ventilator is available with three different motor types: EC motor, FC motor and voltage-controlled motor - EXHAUSTO A/S BESB250 box ventilator is available with three different motor types: EC motor, FC motor and voltage-controlled motor - EXHAUSTO A/S](https://www.exhausto.com/-/media/Global/Images/Photos%20product/Box_fans/BESB/BESB250-closed-and-open.jpg)
BESB250 box ventilator is available with three different motor types: EC motor, FC motor and voltage-controlled motor - EXHAUSTO A/S
![DTV250, roof fan, backward curved blades, available with 3 motor types: EC, FC and voltage-controlled motor - EXHAUSTO A/S DTV250, roof fan, backward curved blades, available with 3 motor types: EC, FC and voltage-controlled motor - EXHAUSTO A/S](https://www.exhausto.com/-/media/Global/Images/Photos%20product/Roof_wall_fans/DTV/DTV250_clean_web.jpg)
DTV250, roof fan, backward curved blades, available with 3 motor types: EC, FC and voltage-controlled motor - EXHAUSTO A/S
Enervex Fan Source... Enervex Exodraft Exhausto Parts... Exhausto replacement motors and fan blades.
![BESB500 box ventilator is available with single-phase EC motor or 3-phase motor of types EC, FC and voltage controlled motor - EXHAUSTO A/S BESB500 box ventilator is available with single-phase EC motor or 3-phase motor of types EC, FC and voltage controlled motor - EXHAUSTO A/S](https://www.exhausto.com/-/media/Global/Images/Photos%20product/Box_fans/BESB/BESB500-closed-and-open.jpg)