This product is a high performance cooling fan for computers and other small electronic products. Its dual counter-rotating impeller design allows for maximum air flow through the system and is ideal for system environment where hugh amount heat dissipation is needed, such as rack mount servers and telecommunication systems.

• Size: 40 x 40 x 56 mm
• Operating voltage : 10.8 - 12.6 Vdc
• Speed: 11,000~20,000rpm
• Air flow:19.4 ~ 40 CFM
• Pressure: 0.9 ~ 3.4 in H2O
• Available with PWM signal
• Ball bearings