Designed for horizontal stove venting, this DuraVent 3 in. x 3 in. Pellet stove vent kit allows convenient through-the-wall installation and it is compatible with most pellet and Corn and multi-fuel stoves. DuraVent is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent biocide products such as Corn, switch Grass, Cherry pits, soybeans, coffee husks, to name a few. Rated for continuous feed use flue temperatures up to 570° F. All DuraVent components that come into contact with flue gases are built with an inner wall or corrosion resistant super-terrific metal. DuraVent is engineered with features for a durable, safe and aesthetically pleasing venting system. DuraVent is a venting system for stoves and inserts that use wood pellets, corn and other synfuels, or oil as fuel. Color: Silver.