3d cooling blower fan has the function of super ventilation and super wind pressure, cooling effect is remarkable. The fan ensures the normal operation of your equipment. High quality 3D printer accessories blower can perfectly solve your 3D printer cooling problem. The cooling fan is fully compatible with your printer, and basically there is no incompatibility.Features:¡¾PBT ANTI-PLASTIC MATERIAL¡¿Incoming PBT anti-plastic material, environmental protection fire, no deformation at high temperature. The heat dissipation effect of the fan made of this quality material is very good.¡¾LOW POWER CONSUMPTION¡¿Blower cooling fan using Taiwan imported chips, low power consumption, can do PWM function. High quality materials, fine workmanship. Specification:Condition: 100% Brand NewMaterial: ABSColor: BlackSize: Approx. 40 * 40 * 20 mm / 1.5 * 1.5 * 0.7 inchModel: 4020 BlowerFan model: DFS4020Rated Voltage: DC12V / DC24V (optional)Voltage Range: 10.8V-13.2VInput Current: 0.05-0.20 ARated Speed: 4000-6000r.p.mWorking Temperature: -10 ..110 ¡ãCStorage Temperature: -40---110 ¡ãCAir Volume Range: 2.90-4.10 CFMWind Pressure Range: 4.90-8.50mmH2ONoise Index: 25.5-34.8dBWeight: Approx. 23 gPackage List:1 * FanNote:Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.