dimensions are W x H

Used Mainly for Besser block construction as this vent is eaxactly the same size as a standard concrete block

Each Aleta vent is constructed from pre-coloured concrete with brass mesh to ensure long life.

Ventilated area mm2 - 23700

Maximum areaed by 1 vent is:
divide your overall floor area by the figures below to determine your minimum amount of vents needed as per current Australian Code part 3.4.1

COASTAL AREAS - 4.0m2

INLAND OF COASTAL RANGES - 5.9m2

CENTRAL AUSTRALIA - 11.9m2