DuraVent 3" Through-The-Wall Pellet Stove Exhaust Vent Kit. This kit features an air-insulated, double-wall design with factory-sealed seams and stainless steel construction for exceptional performance and long-lasting durability. Adjustable with a twist-lock design for convenient fastener-free connections, it includes a square horizontal cap, 90-degree elbow, wall strap, five 12" pipe lengths, tee with clean-out tee cap, wall thimble, and appliance adapter. This kit provides a simple and efficient way to horizontally vent a stove through a wall.