Aluminium external louvres

• For air intake and exhaust in ventilation systems

• Aluminium

• Aluminium natural finish

• Aluminium profile louvre with 45° enclined blades
• Safety grille as an option
• Manufactured in any dimensions
• Calculating weight (kg): W = (B x 1.4) + (H x 1.6) + [(H - 0.05)/0.05 x (B x 0.42)]
• Calculating free air passage (m²): A(m²) = { [(H - 0.1) / 0.05 x 0.037] + 0.009} x (B - 0.03)