Sealey hvd42b industrial high velocity belt drive drum fan 1065mm 42in 230v sealey hvd42b a high velocity industrial drum fan suitable for movement of huge volumes of air the robust unit has heavy duty gauge steel casing guard and frame handle wheels and tilt function cradle stand allow the control of air flow to exactly where it is needed sealey hvd42b industrial high velocity drum fan 42 belt drive 230v