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

Air Vanes - Air vanes are a standard feature on all 457-mm (18-inch) diameter and larger fans. The vanes aid efficient air flow at higher static pressures by reducing air turbulence.

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

Blades - Dynamically-balanced cast aluminum blade has modern air foil design for efficient air handling.

Venturi - Fan's venturi opening uses innovative curvature design for efficient air performance.

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