The DR-122 Bed Bug Toaster is a portable, chemical-free, high performance heating chamber with a quiet, multi-blade turbo fan that can exterminate existing and potential bed bugs. This powerful 18 cubic feet Toaster can reach 120F-155F in a few minutes from room temperature. It comes with a 2-tier steel rack shelf to help treat a variety of items more conveniently and safely without any hot spots or cool spots. The tent is constructed of heavy duty nylon with industrial grade zippers that ensure uses for many years to come. This energy efficient and well insulated Bed Bug Toaster is the ideal choice for heat treatment to kill bedbugs in all life stages.