Inline Mixed Flow Fan 12", No Flanges

• Compatible with 4" to 12"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 1051cfm-Low 830cfm