VSVI 311-4 L1, roof fan; 230V-1Ph-50Hz
Prod. No.: 84314254
Vertical-discharge roof fan with backward-curved blades and an efficient AC motor. Galvanized steel housing with 50 mm of mineral wool to reduce noise transmission to the surrounding area. Controllable via an external single-phase speed controller (MTY) or transformer controller (TGRV)
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