PelletVent is a venting system for stoves and inserts that use multi-fuels (including wood pellets, corn, cherry pits, switch grass, coffee husks, walnut shells, soybeans, wheat, sunflower hulls, rapeseed, and sugar beets) or oil fuel. The DuraVent PelletVent Adjustable Chimney Stove Pipe provides exceptional performance and has an air-insulated, double-wall design with factory-sealed seams and stainless steel construction for long-lasting durability and reliability.