This DuraFlex AL DuraFlex AL Kit - 3 x 35 (Includes: DuraFlex AL Length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve) is the ultimate in flexible components for strength and flexibility. Kit includes: DuraFlex AL 35 foot length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve.ADA Compliant: No Collection: DuraFlex AL Finish: Aluminum Fuel Type: Natural Gas, Liquid Propane Length: 420 Pipe Class: Flexible Liner Pipe Inside Diameter: 3 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Double Wall Weight: 60