16 Pipe Extension (4x6) Direct Vent

DirectVent Pro features 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. Features: Fuel Type: Gas. Pipe Shape: Round. Pipe Class: Direct Vent. Collection: DirectVent Pro. Double Wall Adjustable Pipe. Inner Pipe Material: Aluminum. Outer Pipe Material: Galvanized Steel. UL Listed. Specifications: Overall Dimensions: 17" (L) x 6.62" (W). Inner Pipe Gauge: 24. Outer Pipe Gauge: 28. Pipe Inside Diameter: 4". Adjustable Length: 11" - 17".