The Stadium BM418 Core Drill Vario Vent with 100 sq.cm free air including Air Blast Cowl. Fitted with the Anti-Draught Baffle this model produces a free air flow area of 100 sq.cm - when fitted, this Baffle effectively reduces effective free flow area to 70 sq.cm. Takes extension tube BM810 to extend a further 1 metre. Anti-draught baffle supplied which reduces the ‘Effective Free Area’.
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- Multiple outer cowl colours with white internal grilles.
- Anti-draught baffle supplied which reduced the 'Effective Free Area'.
- Takes extension tube BM810 to extend a further 1 metre.
- 27mm (5") diameter
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127mmm or 5 inch diameter standard tube length of 350mm or 14 inches - in brown or white finish as outer cowl, which is also the same diameter.
Maximum rated input is 27 kiloWatts - 92,000 Btu/hour.
