PelletVent is a complete venting system from DuraVent for stoves and inserts that use oil fuel or multi-fuels (including wood pellets corn cherry pits switch grass coffee husks walnut shells soybeans wheat sunflower hulls rapeseed and sugar beets). Features twist-lock connections for easy installation. Its double-wall air-insulated design offers superior performance and reliability for long-term use. For added durability PelletVent seams are factory-sealed on all elbows tees and fittings. Rated for flue temperatures up to but no exceeding 570 degrees Fahrenheit.