- Mounting plate made from galvanized steel.
- Protection guard made from drawn steel rods, manufactured in compliance with UNI 10615:11997 regulations.
- Low noise, highly efficient backward curved blade impeller made from galvanized steel.
- Single- or three-phase external rotor motor, tropycalized, equipped with internal thermal protection and IP44 grade ingress protection, with the 20 and 25 models featuring Class B, the 31-40 models Class F insulation.
- Upper cover made from aluminium.
- Backdraught gravity shutter
- Silencers (GR)
- Counter base to be walled up (CB)
- Mounting plate for corrugated roof coverings(BA)
- Service switch
- Speed regulators
- Support base with noise and vibration dampening(PB)– not available for the 20 model
- Flat protection guard (CCr)