RCLLI – Pre-insulated concentric male-male reduction with circular section in galvanized steel, double wall, mineral wool insulation, thickness 25 or 50 mm, density 60 Kg / mc for ISOL system round ducts.
RCLLI – Pre-insulated concentric male-male reduction with circular section in galvanized steel, double wall, mineral wool insulation, thickness 25 or 50 mm, density 60 Kg / mc for ISOL system round ducts.
