![VELUX CSP 120120 S10G Clear Dome Smoke Vent Flat Roof Window 120x120cm with ISD 0010A Top Cover | Sterlingbuild VELUX CSP 120120 S10G Clear Dome Smoke Vent Flat Roof Window 120x120cm with ISD 0010A Top Cover | Sterlingbuild](https://www.sterlingbuild.co.uk/FileStore/ProductImages/600/30158-velux_frw_107947-01_1280x480.jpg)
VELUX CSP 120120 S10G Clear Dome Smoke Vent Flat Roof Window 120x120cm with ISD 0010A Top Cover | Sterlingbuild
installation of emergency Velux automatic smoke vent window. | Commissioning automatic VELUX smoke vent window for local emergency break glass. #Serviceaccomodation #blackpoolelectricians #blackpool #firesafety... | By K Mcbride Electrical | Facebook
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