Heat Fab 45 Degree Non-Adjustable Elbow - 2611b 21140Heavy duty construction Selkirk Heat Fab Saf T Pipe is fabricated from 22 gauge cold roll steel. Up to 60% thicker than most hardware store brands Laser and Advanced Resistance welded seams form a completely sealed seam: no smoke or flue leakage Black high temperature, low luster finish painted with the highest quality silicone based stove paint Individually wrapped and packaged.