This 3 Type-L Square Horizontal Cap from the PelletVent Pro Series from the PelletVent Pro series is a Type B gas component and consists of the duralock system for a tight seal.Use for horizontal terminations only Cap features swivel collar to adjust exhaust direction Cap features an optional swivel base Double wall construction UL ListedADA Compliant: No Collection: PelletVent Pro Finish: Black Fuel Type: BioFuel, Oil, Pellet Inner Diameter: 3 Material: Galvanized Steel Stainless Steel Pipe Class: Type L Pipe Shape: Square Style: Contemporary Modern Weight: 1.5