Simpson Dura-Vent Black and Silver 3-in pellet vent kit

Black and Silver 3-in pellet vent kit. The double wall construction protects flue gases from cold outside air, preventing damaging condensation. This kit supplies all the components needed to do a typical 3-in diameter pellet vent horizontal installation. This kit can be used for through-the-wall installation. The limited lifetime warranty guarantees the product from any manufacturing defects. Double-wall chimney pipe designed specifically for pellet stoves. Stainless steel inner wall combined with galvalume steel outer wall. Tested and listed to UL standards. Rated for flue temperatures up to 570 degrees F