DuraVent 46DVA-18B 4" x 6-5/8" Black DirectVent Pro Direct Vent Pipe - High Efficiency Gas Fireplace Venting System for Home Heating & Safety

About this item Diameter: 4 ID x 6 5/8 OD. Construction Materials: .020 aluminum inner wall with .018 painted black galvanized steel outer wall. Clearances: Specified by the appliance manufacturer. Listings: DirectVent Pro, in combination with the gas appliance, has been tested and listed as Fully unitized twist lock connection. › See more product details

Diameter 4 ID x 6 5/8 OD.

Construction Materials .020 aluminum inner wall with .018 painted black galvanized steel outer wall.

Clearances Specified by the appliance manufacturer.

Listings DirectVent Pro, in combination with the gas appliance, has been tested and listed as

Fully unitized twist lock connection.