Pellet and corn-fueled stoves and inserts are efficiently vented. For vent pipes, it creates a 90 degree offset. Allows a 3" pipe branch to be connected to a 4" main vent. Made of .012" stainless steel inner wall and .018" galvalume outer wall. Seams have been laser welded. Twist-lock connections are safe and secure. 1" clearance to combustibles. Cap included. UL Listed. Limited lifetime warranty. Main pipe has a 4" inner diameter with a 4 5/8" outer diameter. DuraVent Part Number: 4PVP-T31 eFireplaceStore Item Number: CPF-25395 UPC: 662492917527. A 4" inner diameter vent pipe is required for this unit. You may discover that you need to enlarge the volume of your stove's pipes during the installation process. The DuraVent PelletVent Pro Galvalume Increaser Tee with Cap - 4" Inner Diameter is designed to be your solution, providing you with a device that will provide both you and your stove with the service required to keep your home at a pleasant temperature during the long winter months.

Efficiently vents pellet and corn-fueled stoves and inserts Creates 90 degree offset for vent piping Allows a 3" pipe branch to be connected to a 4" main vent .012" stainless steel inner wall and .018" galvalume outer wall Laser-welded seams Secure twist-lock connections 1" clearance to combustibles Includes cap UL Listed Limited lifetime warranty Dimensions: main pipe has a 4" inner diameter with a 4 5/8" outer diameter 10" height