12'' Straight Length Pipe - Black

PelletVent Pro Applications: For Stoves And Inserts That Use Wood Pellets And Oil Fuel. Also Built To Vent Biofuel Products Such As Corn Switch Grass Cherry Pits Soybeans Coffee Husk Sunflower Hulls Walnut Shells and Wheat. Features fully unitized twist-lock construction in 3in diameter. Can be used in both vertical and horizontal installations. Stainless Steel welded seam inner wall combined with a galvalume welded seam outer wall painted black. -Listed To UL 441. -Marketed Exclusively To The Specialty Hearth Market. -Laser-Welded Not Spot Or Pop Welded 304 Stainless Steel. -Perfect Fit Construction Allows Ease Of Twist-Lock Connections While Eliminating Leaks - No Gaskets Or Sealants Used. Important: Pellet Vent Pro Pipe Is Not Interchangeable with Simpson Standard Pellet or Corn Vent. Note: Pipe Diameter is Diameter Plus 5/8in. Deduct 1 1/2in for installed length. Materials and Construction: Laser-welded double-wall pipe with an inner wall of super-ferritic stainless steel and a .018in laser-welded galvalume outer wall. Painted black exterior available. Primary metal-to-metal connection seals joint. Encapsulated o-ring provides a secondary seal. Clearances: 1in clearance to combustibles for appliances using corn and other biofuels wood pellets or oil.