Complete fresh air package for wall installation. Contains a thermostat-controlled ventilator, wall pipe and extension pipe, total length up to 270 mm. External wall grille or wind protector.
Note! For wall thickness more than 270 mm, supplement with extension pipe.
Install a ventilator in each room for efficient ventilation. For larger room areas, one ventilator per 20 m2.
For example, a room of 35 m2 = two ventilators.
+5 to +20 minimises over-ventilation.