Protective ventilation grilles ALWT / ALWT-2
A reinforced rectangular air supply or exhaust ventilation grille made of aluminium, with fixed vanes. The ALWT ventilation grilles are designed for low- and medium-pressure ventilation systems. The frame and fixed vanes of the grilles are made of aluminium anodised to a natural colour (only for ALWT) or painted in RAL9010 white (ALWT and ALWT-2). Other RAL colours are available upon request.