Injection moulded impeller of engineered thermoplastic materials. The fan blades are moulded in pairs of two.
Impeller has 2 or 4 fixed pitch, positively set fan blades. The fan blades have a unique broad paddle shaped profile and are available in 4 standard pitch angles of 25°, 30°, 35°, and 40°.
Only available in a configuration where the fan blades rotate in a clockwise direction when facing the air stream.
One-piece aluminium-alloy boss, which is available in a range of bore/fixing configurations.
