Transfer grilles with fixed vanes AL-SI1/ST-SI1

A rectangular transfer ventilation grille made of aluminium or steel, with fixed vanes, covering compensation holes.

The AL-SI1(1) and ST-SI1(1) grilles are designed for ventilation installations as transfer (compensation) holes covers. They optimally mask the inside of a transfer hole.

AL-SI1 and AL-SI11 aluminium grilles
The AL-SI1 and AL-SI11 grilles are equipped with a frame and fixed vanes made of aluminium anodised to a natural colour or painted in RAL9010 white. Other RAL colours are available upon request. The AL-SI11 type is additionally equipped with a counterframe (without vanes) that allows two-sided masking of the compensation hole.

ST-SI1 and ST-SI11 steel grilles
The ST-SI1 and ST-SI11 grilles are equipped with a frame and fixed vanes made of steel profiles painted in RAL9010 white. Other RAL colour painting and galvanized or stainless steel versions are available upon request. The ST-SI11 type is additionally equipped with a counterframe (without vanes) that allows two-sided masking of the compensation hole.