Report copyright - ROOFMASTER STEF-HT ROOF FAN · STEF-5 To the inlet duct 0 1500 -11 -7 -8 -9 -11 -11 -18 -25 Sound data Motor data STEF-5-004 Roof Fan STEF- 5- bbb- c- 6- 3 Size bbb 0 = three phase
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