It features an upgraded PSC capacitor start motor, which swiftly eliminates residual water vapor, resulting in quieter and more environmentally friendly operation of both the motor and blower wheel. Compatible with various fan models including 671R, 672R, 672RA, 672R-R01, 672R-R02, 672RB, 8814R, 8673RP, 867, 671 752,751, N750, 750, 750-R02, 8663RF, 8663RFT, 8663RLG, 8663RMAB, 8663RMBR, 8663RMS, 8673RP, 8663RMSA, 8663RP, 8664RP, 671R, 672R, VL3668RLG, VL3668RMAB, VL3668RMBR, VL3668RMSA, VL3668RP and more. Enjoy improved airflow and reduced noise levels with this 3.3-inch diameter motor, 1550 RPM, 120 Volts, 60 Hz, 110 CFM, 4.0 Sones and provide a five-year quality assurance period.