PC Fan Grill -15Pcs 12V Silencer 40x40x10mm 4cm Computer 9-Blade CPU Cooling Fan 2-Pin Highlights Generic Brand 15Pcs 12V Silencer 40x40x10mm 4cm Computer 9-Blade CPU Cooling Fan 2-Pin Description: Environmental protection, safe, harmless. High quality raw materials, fine workmanship. Easily installed and exhaust hot air from inside the case. Increase the airflow in your system, cool the entire case, extend the life of your system and improve computer operation. 4010 9-blade brushless DC 12V DC cooling fan Benefits include quiet operation, low vibration, reliable, etc. Mainly apply to automatic control system, electronics, computers, PU power unit, welder, packaging and printing equipment specification: Size: 40mm x 40mm x 10mm DC Cooling Fan Rated Voltage: 12V Current: 0.10A Input Power: 1.2W Rated Speed: 7000 RPM Airflow: 6.7 CFM Noise: 24 dBA Package Includes : 15x cooling fan