Squirrelly 3quot; 304 stainless steel straight pipe tubing 16. Stainless steel 304l welded round tubing, 1/4quot; od, 012. Polished stainless steel pipe 1 1/2 inch x 30quot; sch 10s. 1 in x 10 ft galvanized steel pipe 565 1200hc the home. 1 1/4 in x 10 ft steel pipe in black 586 1200hc the. Mueller streamline 1/2 in x 60 in galvanized steel pipe. Chimney flue liner pipe 100mm / 4quot; 50cm stainless steel.