Rustic red double size airbrick 216mm x 152mm. Cavity liner in two parts fixed together and with a continuous airway. Centre joint with cavaity drip. White inner grill. Reversible for both high or low level. Screw covers for flush fitting.
Specification
Stadium BM720 Anti-Draught Black Hole Brick Ventilator Specification
Product Code
BM720/R
Dimensions (mm)
Airbrick: 216 x 152
Grille: 290 x 200
Liner: length expands from 230 - 375
Free Area (cm2)
70
Rated Input (kW max)
21
Colour/Finish
Rustic red airbrick
White internal
Features
Stadium BM720 Anti-Draught Black Hole Brick Ventilator Features
'The Original Black Hole Ventilator' Comprising; Double rustic red louvred airbrick, cavity liner with cavity drip and anti-draught baffles extension piece and white inner grille.
Invertible for high or low fitting.
Expands to fit solid or cavity walls 290 mm to 390 mm
Rated Input - Max 21kW (71,500 Btu/h)
Questions
Reviews
Stadium BM720 Anti-Draught Black Hole Brick Ventilator Reviews