Double up on converting barrel drums into an efficient heat source with a Cleveland Iron Works Expansion Kit. Made of heavy-duty cast iron, the kit includes barrel spacers, 1 male flue and 1 female flue adapter. See #712084 Starter Kit for door and feet. Heavy-duty cast iron construction Includes barrel spacers, 1 male flue adapter, and 1 female flue adapterNOTE: Barrel, feet and door not included - see #712084 for Starter Kit. Additional supplies needed for safe and complete assembly. Order today!