304 STAINLESS BOX 4 INCH (101 MM) ROUND 14 INCH (360 MM) LONG 13/4 INCH (44.45 MM) BORE END CAPS 1.5 WALL THICKNESS IN 304 SKIN WALL 1.5 WALL THICKNESS IN 304 PERFORATED TUBE 1.2 WALL THICKNESS IN 304 PACKING 304 WOOL ROUND PERFORATED TUBE E-NEEDLE MAT 6 MM E-GLASS PACKING BETWEEN WELDED WITH 304