Features of 120x120x25mm DC Brushless Fan Size: 120x120x25mm (4.7x4.7x1.0inch) Frame: Plastic UL94V0 Impeller: Plastic UL94V0 Lead Wire: UL1007AWG#24 or Equivalent (+) Red, (-) Black Bearings: C=Ball Bearing&S=Sleeve Bearing Life Expectancy: 70,000 Hours at 20â??-Ball. 30,000 Hours at 20â??-Sleeve. Temperature Range: Temperature Range. Operating Temperature: -10*C~70'C (Non-condensing) Storage Temperature: -40'C~70'C (Non-condensing) Approvals: UL, CUL, TUV, CE, RoHS DC FAN Specials: RD,FG, IP56, PWM Rated Voltage: 12V/24V/48V Noise: 50.80~59.10dBA Rated Current: 0.25~1.80A Rated Input Power: 12.00~48.80W Speed: 4000~5500RPM Air Flow: 127.41~179.03CFM Weight: 164.0g Mounting: Free Standing Specs of 120x120x25mm DC Centrifugal Fan Model Bearing System Rated Voltage Operating Voltage Current Input Power Rated Speed Air Flow Air Pressure Noise Weight Part No. S C VDC VDC A Watt R.P.M CFM inch-H20 mm-H20 dBA g FD12025#12E â?? â?? 12 7.0~13.8 0.8 9.6 3500 102.78 0.32 8.13 50.7 140 FD12025#12H â?? â?? 12 7.0~13.8 0.5 6 3000 88.72 0.24 6.1 46.6 140 FD12025#12M â?? â?? 12 7.0~13.8 0.4 4.8 2500 73.85 0.17 4.32 41.7 140 FD12025#12L â?? â?? 12 7.0~13.8 0.2 2.4 2000 59.08 0.11 2.79 36 140 FD12025#24E â?? â?? 24 14~27.6 0.5 12 3500 102.78 0.32 8.13 50.7 140 FD12025#24H â?? â?? 24 14~27.6 0.4 9.6 3000 88.72 0.24 6.1 46.6 140 FD12025#24M â?? â?? 24 14~27.6 0.25 6 2500 73.85 0.17 4.32 41.7 140 FD12025#24L â?? â?? 24 14~27.6 0.15 3.6 2000 59.08 0.11 2.79 36 140 FD12025#48E â?? â?? 48 28.0~56.0 0.4 19.2 3500 102.78 0.32 8.13 50.7 140 FD12025#48H â?? â?? 48 28.0~56.0 0.3 14.4 3000 88.72 0.24 6.1 46.6 140 FD12025#48M â?? â?? 48 28.0~56.0 0.2 9.6 2500 73.85 0.17 4.32 41.7 140 FD12025#48L â?? â?? 48 28.0~56.0 0.1 4.8 2000 59.08 0.11 2.79 36 140 All models could be customized on voltage or any other requirements to fit your need. Now the price of 12v centrifugal fan and 24v centrifugal fan is reasonable, anything you need, please contact us. As a cooling fan factory, we will do our best to meet all the needs of customers.