DuraVent 4PVL-A12 4 in. I.D Pellet Vent Type L Multi-fuel Chimney Pipe Double Wall 12 in. Adjustable Pipe

PelletVent 4 in. Diameter x 12 in. Adjustable Length Chimney Pipe, 4PVL-A12

DuraVent PelletVent Silver Adjustable Pellet Vent Section Stainless Steel | 4PVL-A12

DuraVent 4PVL-A12 4" Inner Diameter - Pellet Vent Type L Multi-fuel Chimney Pipe - Double Wall - 12" Adjustable Pipe Length Stainless Steel Vent Pipe