Selkirk Corporation 4647 Heat-fab Increaser 6 Inch (m)crimped-7 Inch (f 304-alloy

Heat-Fab 4647SS Saf-T Liner 304 Collection Rigid Liner Stainless SteelYou may also like M & G Duravent 58DVA-F12 5 Inch x 8 Inch DirectVent Pro 7/12-12/12 Pitch Roof Flashing.