Horizontal Rear Extension Piece
The Horizontal Rear Extension Piece is a versatile ventilation accessory designed to provide airflow below suspended ground floors.
Details
Horizontal Rear Extension Piece. To provide ventilation below suspended ground floors. Telescopic and adjustable to suit numerous brick courses. Fits into the lower rear opening of the telescopic underfloor ventilator to accommodate cavity widths between 50-150mm - or internal walls of more than 100mm thickness, up to a maximum of 200mm.