Award-winning 120x25mm fan with FocusedFlow frame for high static pressure and superior cooling efficiency High-speed industrialPPC version for industrial heavy-duty applications that require extreme cooling performance and advanced ingress protection 12V 2000rpm model (29.7dB) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 450-2000rpm speed range Ruggedised fibre-glass reinforced polyamide construction and IP52 certified water and dust protection Trusted Noctua quality with premium-grade SSO2 bearing and more than 150.000 hours MTTF, backed up with 6-year manufacturer’s warranty