Telescopic Underfloor Vent Black 220mm x 215mm
(12025)
Provides ventilation below suspended ground floors. Adjustable for 3, 4 or 5 brick courses. Free air flow of 6,600m². Grille prevents entry of vermin. Tough, robust and resistant to decay. Satisfies NHBC requirements and meets all British standards. Use with Air Brick (Code 13873).
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