DirectVent Pro Adjustable Pipe Telescoping Black - 4" x 6 5/8" Diameter x 11" - 17" Length

11"- 17" Adjustable Pipe Length Black- 4"x6 5/8" Direct Vent. Pipe Extensions and Adjustable Pipe are used to add length to a straight, DirectVent Pro pipe. Pipe Extensions adjust 3" - 7" or 3" - 14 ½", and come in galvanized or black painted, outer walls. Adjustable Pipe telescopes from 11" - 17" or 17" - 24", and comes in galvanized or black painted, outer walls.