The Ductings are manufactured from duct hoses Non-Porous, Water-proof, Reinforced material made from Nylon Polyester Fabric Coated with PVC on both sides. The Tensile and Tear Strength shall be as per users specification. The Ducting will be provided with 150/75/50mm pitch Spiral Spring Steel Wire reinforcement (wire diameter as per user specification) held in position with the help of welded PVC Extruded Section on the outer periphery of the ducting and will be supplied in lengths of 10 Mtrs. +/- 10% complete with hooks for hanging and suitable Leak Proof Couplings. This can be used both for EXHAUST & BLOWING APPLICATION. We can also manufacture Extremely Light Weight Ductings to be used with Portable fans, Exhaust fans etc.