Gastite corrugated stainless steel tubing (CSST), used for the distribution of natural gas and liquefied petroleum in residential and commercial buildings, is now available in 1-1/2" and 2" sizes. Both sizes are sold in 150-foot coils, with custom lengths available. The new sizes feature corrugated and annealed stainless steel Type 304 construction, and are enclosed in a yellow plastic jacket made of Tenite polyethylene, which complies with ASTM E84 for flame and smoke. The other five sizes in theline include 3/8", 1/2", 3/4", 1", and 1 1/4".Gastite Div. of Titeflex Corp.