- The NF-F12 industrialPPC is a 120 mm fan designed for heavy duty applications - It can spin at 3000 rpm and pump out incredible airflow to cool industrial machines - Its three-phase motor runs smoother than conventional fans for lower noise and better efficiency - With an IP52 rating and fibre-glass reinforced polyamide construction, it's built to last- The Heptaperf impeller and focused flow frame deliver powerful airflow for superior cooling - Thanks to PWM control, the fan only turns on and speeds up when it needs to