Centrifugal Wheel - Dynamically-balanced aluminum centrifugal wheel features advanced air foil blade design to efficiently handle low airflows at medium to high static pressures.

Air Inlet Orifice - Fan’s air inlet orifice uses an innovative design to promote better airflow into the centrifugal wheel to enhance fan performance.

Baffle - Unique baffle design helps to direct air into the centrifugal wheel to encourage smooth, efficient fan operation.

Air Vanes - Air straightening vanes aid efficient airflows by reducing air turbulence.

Motor - Totally-enclosed, air over (TEAO) motors are standard for all Brock GUARDIAN® Series centrifugal in-line fans.

Motor Mount - Two-piece bolt-together motor mount/fan support provides a solid connection for mounting the fan and aids fan stability during operation.

Fan Housing - All Brock GUARDIAN® Series Centrifugal In-Line Fans have a reinforced, 12-gauge, galvanized steel housing for durability and long fan life.

Screen Guard - 10-mil PVC coating on screen guard provides superior corrosion resistance and attractive appearance.