SpecificationsMfr Part Number: TRUE QUIET 140Features: 2-way switch to select fan speed Unique fan blade and silicone grommets to reduce turbulence and noise Tool-less mounting screws for quick and easy installationFan Speed: Low - 500RPM; High - 800RPMInput Current: 0.06A at 500RPM; 0.10A at 800RPMAir Flow: 0.6m?? / min (20.3 CFM) at 500RPM; 0.9m?? / min (32.4 CFM) at 800RPMStatic Pressure: 0.2 mm-H2O (0.1inch-H2O) at 500RPM; 0.5 mm-H2O(0.02inch-H2O) at 800RPMNoise: 9.8 dBA at 500RPM; 20.0 dBA at 800RPMInput Power: 0.5 W at 500RPM; 1.2 W at 800RPM Dimensions(WxDxH): 5.5 x 1.0 x 5.5 inch / 140.0 x 25.0 x 140.0 mmWeight: 6.1 oz / 172.9 gRoHS Compliant