M&G DuraVent 68694 8 x 24 in. Type B Round Gas Vent Pipe - Aluminum

DuraVent 8GV24 8 Inch Round Gas Vent Collection Type B AluminumYou may also like DuraVent 7BVFS 7 in. Dia. Inner Type B Round Gas Vent Pipe Double Wall Firestop Spacer.