NOVA Filter grill kit (NFG) is a solution for dissipation of heat inside the electrical cabinet and protect electronic  components from overheating. The airchonnelling makes the cooling fan particularly quiet in operation and function filtered  outside air into the cabinet, expelling the heated air through exhaust filters or roof exhaust units.

          The Filter grill kit adopts ABS resin for shell to improve its resistance to flame and ultraviolet ray. In addition, it adopts nylon synthetic fibre for filter sheet to achieve high filtration efficiency.