DuraVent Concentric Vent System 3" x 5" 90 Degree Black Elbow 2000-2999 btu147000 And of course

And of course

Model O-36-CR-AS-T2 Material Ceramic

Heat-resistant gloves included for safe handlin

Frame made from wrought iron and stainless steel

DuraVent Concentric Vent System 3" x 5" 90 Degree Black Elbow 2000-2999 btu147000 And of courseAn economical venting solution for condensing and noncondensing appliances, the Concentric Venting System (CVS) features a UL1738 approved super ferritic stainless steel inner wall. The proprietary twist lock connection eliminates use of clamps or mechanical fasteners and saves installation time. Only one penetration is needed through the roof or the wall for both exhaust and combustion air. Multiple pipe lengths and telescoping pipe extensions