DuraVent 46DVA-24TA 4" x 6-5/8" Inner Diameter - DirectVent Pro Direct Vent Pipe

4" Inner Diameter DirectVent Pro Collection 17"- 24" Adjustable Pipe Length Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. Features: Use to add length to a straight length of DirectVent Pro. Tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer) Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces Specifications: Inner Diameter: 4"  Outside Diameter: 6 5/8" Adjustable Length: 17" - 24" Adjustable Galvanized Pipe with Welded Seam Double Wall - .020 Aluminum Inner and 26-ga Outer Wall