Telescopic and adjustable for stop of 3, 4 or 5 brick courses. Special grille included to prevent entry of vermin. Durable and totally resistant to decay.
To provide ventilation below suspended ground floors.
Telescopic and adjustable for stop of 3, 4 or 5 brick courses. Special grille included to prevent entry of vermin. Durable and totally resistant to decay.
To provide ventilation below suspended ground floors.