- Compatible with 4in to 12in round air ducts
 - For ventilation systems requiring high pressure, powerful air flow and low noise level
 - Casing is made either of durable ABS plastic or polypropylene with low flammability, UV- and corrosion-resistant 
properties - Special casing design enables easy dismantling of impeller and motor block without air ducts detaching to 
facilitate fan servicing - Double-speed single-phase ball-bearing motor with thermal overload protection is controlled with integrated 
3-position (low speed/OFF/high speed) speed switch - Wall or ceiling mounting with a mounting plate
 - Ideal solution for mounting into limited spaces due to compact design
 - Supplied with factory prewired 120V 8' power cord, ready to plug in
 - CFM: High 105 - Low 62