Save on a quality solution for your heating and cooling system with this DuraVent 3VFT-TRS Ventinox Tee w/ Removable Snout, 3". Chat us up if you have questions about this part or the installation process. Use as a 90° transition between liner and connector pipe at the wall thimble or rear flue outlet of a heater. Removable Snout with internal draw band allows for easier, through the wall thimble installation. 5 ½” diameter has a 6” branch.