DURAVENT 3PVP-HC2 PelletVent Pro Horizontal Cap w/ Tapered end 3" PelletVent Pro Horizontal Round Cap, Stainless Steel Cap features a swivel collar to adjust exhaust direction. Used for Pellet, Corn and other Pelletized Bio-fuels Used for Horizontal Termination only PelletVent Pro is now UL listed for 1" clearance to combustibles in the USA