Tall Square Ceiling Support Box for 6 Diameter 304 Stainless Steel All Fuel Class-A Double Wall Insulated Chimney Pipe

Compatible with Class-A double wall chimney pipe. Can not be to other brs of class-A chimney. Support box trim is made of heavy duty galvanized steel with stainless steel components painted black Use the 11 square ceiling support box for both flat cathedral ceiling installations A stove pipe adaptor (sold separately) is required to connect to stove pipe Certified to UL103HT perfect for wood stoves fireplaces fireboxes furnaces boilers water heaters outdoor wood furnaces or other residential heating appliances fueled by wood gas coal or oil