14X26 Big Top Multi-Flue SS Hinged Chimney Cap - 10" High, 3/4" Mesh Available In Different Sizes 24 Gauge Removable 100% Stainless Stainless Steel Hood with Scalloped Corners and Roll Formed Edges 18 Gauge Stainless Steel 3/4" Expanded Metal Mesh Chimney caps act as a spark arrestor to prevent most ascending sparks from reaching the outside Recommended for use in situations where Oil or Coal is burned, or when Wood/Pellets are used as primary source of heat.