4" x  20 " length x 4 sections. Cy Pipe.

5" x 24" length x 4 sections. Wilderness pipe. 

Pipe starts at 4" or  5"  at stove and increases 1" in diameter at top of last pipe.

All sections of pipe fit inside of one another for ease of storage.  

Pipe elbow can only be used at stove to redirect direction of pipe.