Add-on second barrel adapter kit for use in conjunction with the Standard Barrel stove kit to allow for adding an additional barrel stacked on top. Adding this kit increases the amount of heat radiated off the barrel stove. The BKAD500 is perfect for a rustic cabin, pole barn, workshop, or garage. Double barrel creates greater heat transfer All components are made from sturdy cast iron Easily adapted to a 30 or 55 gallon steel drum Great for handyman or do-it-yourself assembly For non-combustible floor -36" to wall clearance Kit Includes: Cast iron legs and damper collar ** NOTE** Barrels not included. This kit must be purchased with the single barrel kit to be functional. This item is not for sale in WA, OR, and CA due to state restrictions.