ท่อเหลี่ยม (Rectangular Duct)

Square duct made from Galvanized steel, thickness 0.45 – 1.20 mm.
Stainless, thickness 0.4 – 0.8 mm.
Designed and production controlled by computer
Suitable for Air Duct system and Ventilation system
Easy to install and assemble, convenience ,good looking and saving time