Single-wall ducts with autogenous welding, made of galvanized steel EN 10142 with a thickness of 0.50 mm, for use in ventilation, air-conditioning, and air-heating systems.

Double-wall ducts with autogenous welding, made of galvanized steel EN 10142 on the outside and stainless steel AISI 304 on the inside, for use in ventilation, air-conditioning, and air-heating systems.

Spiral-seam single-wall ducts made of non-magnetic stainless steel AISI 304, steel thickness: 0.40 mm, for use in ventilation, air-conditioning, and air-heating systems.

Spiral-seam double-wall ducts made of non-magnetic stainless steel AISI 304 BA, steel thickness: 0.40 mm, for use in ventilation, air-conditioning, and air-heating systems.

Spiral-seam single-wall ducts made of galvanized steel EN 10142 with a steel thickness of 0.50 mm. They are suitable for use in ventilation, air-conditioning, and air-heating systems.

Spiral-seam double-wall ducts, with galvanized steel EN 10142 on the outside and stainless steel AISI 304 on the inside, for use in ventilation, air-conditioning, and air-heating systems.