TWLT – Thermal Double Wall Twain Bend

Outer Shell: Solid Galvanized Steel

Inner Shell: Solid Galvanized Steel

TWLA – Acoustical Double Wall Twain Bend

Outer Shell: Solid Galvanized Steel

Inner Shell: Perforated Galvanized Steel

Insulation 25mm Or 50mm

Insulation Density 24 Kg/m3 As Standard