This DuraFlex AL DuraFlex AL Length - 3 Inchx 35 Foot is the ultimate in flexible components for strength and flexibility. Use with Category I gas-burning appliances with draft hood. UL 1777 aluminum liner. Flex lengths.Fuel Type: Gas, Liquid Propane Includes: Cap, Pipe Length, Tee with Cap, Top Plate Length: 420 Pipe Class: Flexible Liner Pipe Inside Diameter: 3 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Double Wall Weight: 34
