Stadium BM418 Black Hole Vario Core Drill Ventilator-White
- 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. (not included)
- 127mm (5") diameter
- 'Black Hole' cavity liner and extension piece
- Tube length from 228mm to 585mm with extension tube supplied
- Brown, White or Terracotta external cowl white internal grille
- Fixed anti-draught baffles
- Rated Input - Max 13kW (44,000 Btu/h)
- Free area 30cm2
- Recommended to use a 127mm core bit
- 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. (not included)
- 127mm (5") diameter
- 'Black Hole' cavity liner and extension piece
- Tube length from 228mm to 585mm with extension tube supplied
- Brown, White or Terracotta external cowl white internal grille
- Fixed anti-draught baffles
- Rated Input - Max 13kW (44,000 Btu/h)
- Free area 30cm2
- Recommended to use a 127mm core bit