• Manufactured using 316Ti Stainless Steel in a patented roll lock construction • Durable corrugations allow product to be dragged, bent, & reshaped numerous times without damage or breaking • Suitable for fume & air exhaust applications with extremely high temperatures • Very flexible • Titanium stabilized 316 stainless alloy for superior high temperature corrosion resistance • Suitable for chemical fume exhausting, high temperature, & corrosive applications where both positive & negative pressures are involved • 25' coils can ship via UPS in 3" to 4" diameters • Wall thickness = .006" Standard Color : silver