Ducting serves as a supply of cold air to the conditioned room. The materials used for ducting are usually PVC, PU (Polyurethane), mild steel, and BJLS (zinc coated steel). BJLS ducting generally has several sizes BJLS 50 for ducting size (mm): 0-300 BJLS 60 for ducting size (mm): 350-700 BJLS 80 for ducting size (mm): 750-1200 BJLS100 for ducting size (mm): 1200-1900 PT. Trimegah Bangun Bersama, which is located in the Ciledug area, Tangerang, provides BJLS ducting at the best price and quality. For orders and further information please contact our marketing. ducting BJLS PU ducting jual ducting murah