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Stadium BM725 127mm Core Drill Black Hole Ventilator

The benefits of "Black hole" Stops wind blasting in - The air flow within the duct is slowed down by the change of direction and by the vortices formed, reducing draughts to a minimum. Stops light showing through - The occupier cannot see through the ventilator and is less likely to be worried that insects and vermin may enter the house through it. 127mm (5") core drill "Black hole" ventilator. Tube length 228mm to 585mm with extension tube supplied. Fixed anti draft baffles 30cm free area.

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Product Details

Specification

Stadium BM725 127mm Core Drill Black Hole Ventilator Specification

Product Code BM725/B
Cowl (mm) 180 x 155
Grille (mm) 155 x 155
Tube (mm)

127 dia.

228 length

585 extension

Free Area (cm2)

30

Rated Input (kW max)

13

Colour/Finish

Brown cowl

White internal

Features

Stadium BM725 127mm Core Drill Black Hole Ventilator Features

  • 'Black Hole' cavity liner and extension piece. 
  • Tube length from 228mm to 585mm with extension tube supplied. 
  • Brown external cowl white internal grille. 
  • Fixed anti-draught baffles 
  • Rated Input - Max 13kW (44,000 Btu/h) 
Reviews

Stadium BM725 127mm Core Drill Black Hole Ventilator Reviews