Rytons 9″ × 3″ Cowled Ventilation Set with Hit & Miss Ventilator TC8HMCWL
Telescopic cavity liner set for background room ventilation. Cavity liner contains an internal baffle to reduce light and draughts.
With external cowl to protect against strong winds.
Equivalent area: 100cm²
WARNING: Not suitable for use in external walls in high-rise buildings with a storey 18m or more above ground level due to Regulation 7(2) and Building Regulations Approved Document B.
Not suitable for use in external walls in buildings with a storey 11m or more above ground level due to Building (Scotland) technical handbook 2019: domestic and non-domestic, 2.7.
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