*High energy efficiency

*For airstream temperatures up to 140°F

*Automatic reset thermal overload protection

*External rotor motor for long durability

*Plastic backward curved impeller

*4" to 12" duct diameters

*Cold-rolled steel housing with baked enamel coating

*Available for variable speed control

*Also available for prewired with power cord and plug

*To be ETL/HVI/ENERGY STAR rated