Heavy duty cooling fan, 120x120x25 mm, 12V, 4-pin PWM, max. 2000 RPM, max. 29.7 dB (A), >150, 000 h MTTF ^^ Award-winning 120x25mm fan with Focused Flow frame for high static pressure and superior cooling efficiency ^^ 12V 2000rpm model ( 29.7 dB) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 450-2000rpm speed range ^^ High-speed industrialPPC version for industrial heavy-duty applications that require extreme cooling performance and advanced ingress protection ^^ Ruggedised fibre-glass reinforced polyamide construction and IP52 certified water and dust protection