Features:1. Provides strong heat dissipation, can efficiently cool the machine temperature.2. With double ball bearing, the fan run stably and silently.3. Easy to install and use.4. Adopting DC24V power to give a high performance while saving power.5. Advanced design eliminates noise to give a quiet heat dissipation.6. High quality material enables this cooling fan to work for a very long time.7. Suitable for extreme cooling or server use.Specification:Model: SHLF1224KBE-36: For FFB1224EHSize: about 120*120*25mm/4.72*4.72*0.98inBearing double ball bearingNumber of revolutions: 4000RPMAir volume: 226.22CFMStandard voltage: 24VCurrent: 1.14AMaintain continuous running time: 100,000 hoursScope of application: -10 C to +70 CPackage List:1 * Fan