DuraVent 4" Inner Diameter - Pellet Vent Type L Multi-fuel Chimney Pipe - Double Wall - 24" Pipe Length

2' Length. Pellet Vent pipe feature fully unitized twist-lock construction. Listed at 3-inch clearance to combustibles and can be used in both vertical and horizontal installations. Inner-liner is .012 type 430-stainless steel. Outer-casing is .018-ga Please Note!! All performance specifications and Warranties are contingent upon installation by a Licensed Contractor or Chimney Professional.