The C4-73 type dust-discharging centrifugal fan features dust resistance and wear durability, making it suitable for discharging gases containing dust, wood chips, fine fibers, etc. (If hard particles are present, a dust removal device must be installed before the fan). It can also be used for general ventilation. The fan mainly consists of an impeller, air inlet, casing, transmission part, and motor. It is available in both left-hand and right-hand rotation types.