VELUX GPU SK10 0070 White Maintenance Free Top-Hung Window (114 x 160 cm) video_erfT9AbHugA The smoke ventilation window is
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Description
VELUX GPU SK10 0070 White Maintenance Free Top Hung Window (114 x 160 cm) video_erfT9AbHugA The smoke ventilation window is The smoke ventilation window is activated either automatically by a smoke sensor or manually with a break glass point barn conversion and refurbishment projects including loft conversions