"INSULATED,DOUBLE ANGLE FLOW,2 HEX HEADED BOSS OUTLETS,1ST END DATA,FLANGED,ALUMINUM ALLOY 6061-T6,QQ-A-250/11,0.050 IN. THK W/6 MTG HOLES 0.223 IN. NOM DIA,2ND END DATA,DOUBLE OUTSIDE BEAD,1.800 IN. LG FREE OF INSULATION,TUBE DATA,ALUMINUM ALLOY 5052-0,3.500 IN. OD,0.035 IN. WALL THK,WW-T-700/4"