The 1201XL is a fully adjustable telescopic underfloor ventilator that can adjust between 5 to 7 brick courses without the need for additional extension accessories. It is fully compatible with all Timloc airbricks and can utilise existing 1201 horizontal and vertical extension pieces if required. In addition, the 1201XL comes with a pre-installed grille to prevent vermin entry.
Air Bricks are sold separately.