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8-1/2" Pipe Extension [Black], 4" x 6 5/8" Diameter, DirectVent - 46DVA-08AB
Duravent$91.8846DVA-08AB is the DirectVent Pro 4 inch x 6-5/8 inch inner diameter black 8-1/2 inch pipe extension. This is an OEM DuraVent venting component. -
8-1/2" Pipe Extension [Galvalume], 4" x 6 5/8" Diameter, DirectVent - 46DVA-08A
Duravent$59.8246DVA-08A is the DirectVent Pro 4 inch x 6-5/8 inch inner diameter galvanized 8-1/2 inch pipe extension. This is an OEM DuraVent venting component.