YSLT45° – Thermal Double Wall Straight Lateral

Outer Shell: Solid Galvanized Steel

Inner Shell: Solid Galvanized Steel

YSLA45° – Acoustical Double Wall Straight Lateral

Outer Shell: Solid Galvanized Steel

Inner Shell: Perforated Galvanized Steel

Insulation 25mm Or 50mm

Insulation Density 24 Kg/m3 As Standard

L = 1.414 x (d2 + 2l) + 100mm