Wide ApplicationThis 80mm high speed fan can be used for cooling / ventilation in CNC Controller Box, Car Audio Amplifier, Inverter, Power Supply, LED Grow Lights, Battery Box, Vivarium, etc. Direct Replacementas a standard size 80x80x25mm fan, it can be used to replace old broken 80 mm fans found in various electronics and machinery High SpeedThis high rpm fan is designed to maximize airflow and suitable for noise tolerant environments; Such as work shops, outdoor electric cabinets, truck, etc. max. 43.2 dBA @ 4500 RPM Powerful AirflowThe fan moves a lot of air; you can use this fan for cooling a device or increasing ventilation or airflow at a particular place. Airflow: 59 CFM Dual-Ball MotorsThe fan features a brushless motor; precision dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright Easy to InstallFan size (edge to edge): 3.15 x 3.15 x 0.98 in. (80 x 80 x 25 mm); Ho