Size: 4 US Stove SD3000 / SD3100 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 wood pellet stoves. Rated for continuous feed use flue temperatures up to 570 degrees Fahrenheit. All Duravent components that come into contact with flue gases are built with an inner wall or corrosion resistant super-ferritic metal. Duravent is engineered with features for a durable, safe and aesthetical pleasing venting system. Duravent is a paten-pending system for stoves and inserts that use wood pellets as fuel. This perfect fit and finish is made possible with a laser-welded inner and outer wall. Features: -Stove vent set. -Twist lock design. -24 Gauge Steel. -24 Gauge frame provides long lasting use. -Designed to horizontally vent stove through a wall. -Compatible with only wood pellets. -Set includes square horizontal cap, 90 Degree elbow, wall strap, five 12 straight length pipe, tee with clean out tee cap, wall thimble and appliance adapter. -Manufacturer provides 1 year warranty against defect. -Made in the USA. Dimensions: -18 H x 11.5 W x 17 D, 15.6 lbs.