Description

GF3: Acoustic louver

• galvanised steel frame, flange and blades
• acoustic material in rock wool 50 kg/m³ protected with black glass tissue micro-expanded mesh
• acoustic tests according to ISO EN 11691 standard

GF6: like GF3 but in double execution (GF3 multiplied x2)

GF3A: like GF3 but in natural aluminium

GF6A: like GF3A but in double execution (GF3A multiplied x2)

Special versions

• mesh 
• without flange
• in series with connection kit