Specification Part No. 8cm 9cm 12cm 14cm 18cm 25cm 36cm Outline Dimension (mm) 80x80x25 92x92x25 120x120x25 140x140x25 160x160x20 250x250x30 360x360x25 Rated Voltage DC 12V Starting Voltage DC 7V DC 6V DC 7V Rated Current (Max. ±10%) 0.32A 0.38A 0.40A 0.38A 0.40A 0.45W Power Consumption (Max. ±10%) 3.84W 4.56W 4.8W Max 4.56W 4.8W 5.4W Speed (Mn./Max.) RPM±10% 2000-3000 1350-2400 1200-2400 1300-1800 500-1500 500-800 Airflow (Min./Max.) CFM 25.3-38.7 25-45 50.5-77.0 60-83 40-117 85-130 60-128 Static Pressure (Min,/Max.) mm-H2O 1.75/3.72 0.88/2.65 1.32/2.72 1.0/1.9 1.04/3.65 0.45/0.86 1.0/2.2 Noise Level (Min./Max.) dB(A) 20.6/30.8 17.7/27.8 24.6/34.0 28.0/35.1 18.0/41.9 20.6/30.2 16.0/28.0 Life 30000Hrs 25°C No. of Blade 7 11 7 Rotating Direction Counterclockwise Materials/Parts Plastic Material/Blade PC Gloss Bearing Sleeve Bearing LED 4(Red, Blue ,Green, Random) 5(Red, Blue, Green & RGB Random circulating) Controller VR Speed Controller Weight 60g 80g 150g 170g 120g 200g 287g