•External rotor motor protected through thermal contact
•0-100% regulable speed
•Balanced according ISO1940
•Oversized ball bearings, lubricated for life, apt till -30°C
•Low noise level
•Inlet airflow way "V" or outlet "A", to choose
•5 possible mountings: VRE without grille, VGR with flat grille, VPR with amb basket grille, VGV with tubular casing and VGC with square frame
•Other tensions and executions on request