Simpson Dura-Vent Fireplace - Venting Pipe 6" Double Wall Black 45 Degree Elbow Specifications: Clearance: 6" for Double-wall DVL. This product MAY NOT be used after the first transition piece (wall-thimble, or ceiling support) , the pipe is designed for interior use.Temp Ratings: 1000AF Continuous Burn (UL 103) 2100AF Intermittent Burn (UL 103) Material Specifications: Material (DVL) : .016" Stainless SteelInsulation (DVL) : 1/2", AirConnection Specs: Joint/Connection Overlap: 1-1/2"Joint/Connection Type: Twist-LockMisc: Supported Fuels: WoodWarranty: 25 Years from installation date Please Note! All performance specifications and Warranties are contingent upon installation by a Licensed Contractor or Chimney Professional.69120 6" Double Wall Black 45 Degree Elbow by Simpson Dura-Vent is known as model number 8645

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