Imperial BM0124 Stove Pipe, 7 in Dia, Steel, Black

Commonly used as a vertical section of pipe from the top of a wood stove. Allows a solid one-piece pipe to extend from the appliance up to the ceiling so that there are no joints. One pipe is smaller in circumference than the other is so that the smaller pipe fits inside the larger pipe. Pulling the smaller pipe up adjusts the length from 28 in to 50 in. Eliminates need to cut pipe. 24 ga.