Backwardly inclined Fans - Airfoil, Single thickness, Backward curved blades.
Forward curved fans - general lventilation fans / ventialtors.
Radial blade fans - Open, Backplated, Rim, Reinforced, for rugged applications.
Inline centrifugal fans - Airfoil or Single thickness backwardly inclined wheel.
High Pressure blowers - Narrow width open and radial tipped impeller design.
Radial Tipped - High tip speed capability, with high CFM air flow and pressure.

NIS-CO FANS AND BLOWERS