Belt-pulley drive mechanism with forward curved and frequent blades with double suction radial fan.
* HCAT double suction centrifugal cell fans
* Double suction radial fan with G2 metal filter.
* Direct drived with single suction radial fan.
* cassette type metal filter with direct coupled motor, infrequent blade, single suction radial fan.
* Axial impeller with aluminum bladed propeller and direct drived motor.
* Direct drived with single suction radial fan, cassette type metal filter wi