3'' PelletVent Pro 3'' - 4'' Increaser

The PelletVent Pro Increaser allows transition from a 3in pipe to a - 4in pipe.Not a decreaser or reducer.PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel.It is also built to vent corn and other biofuel products Rated for continuous use flue temperatures up to 570 degrees F.-Diameter: 3in.-Construction Materials: Laser-welded double-wall pipe with an inner wall of.012in stainless steel and a.018in laser-welded galvalume outer wall.-Clearances: 1in clearance to combustibles in the USA for appliances using wood pellets or oil.1in clearance to combustibles in Canada for oil-burning type L vent appliances.3in clearance to combustibles in Canada for wood pellet-burning appliances.-Listings: c-UL-us Listed to UL 641 MH8381 and MH14420.ULC Listed to ULC S609 ULC/ORD C441 CMH1439 and CMH1440.-Twist-lock connection.-Increases 3in pipe to a - 4in pipe.-Not a decreaser or reducer.-Wall Construction: Double Wall.-Material: Galvanized Steel.