The DuraTech 6 Class A Chimney Pipe Attic Insulation Shield is required for installations that pass through an attic to prevent insulation and debris from accumulating near the chimney. Fits over Firestop Radiation Shield or a support box. Consists of two parts - a collar and a base.Adjustable length Fits Over Firestop Radiation Shield or a Support Box Comes with Collar and BaseFuel Type: Coal, Gas, Oil, Wood Material: Galvanized Steel Pipe Class: Class A Pipe Inside Diameter: 6 Pipe Shape: Round Style: Functional UL Listed: Yes Vent Construction: Double Wall Weight: 5.9
