This Z-Flex vertical vent kit 40HI by Eccotemp is part of the Z-Flex collection.
This is a 3" diameter stainless steel category II/III vertical ventilation kit for the 40HI (indoor) series models. It is single walled with gasketed connections for easy installation. It comes with a rain cap, storm collar, adjustable roof flashing, a 6" back flow preventer and universal appliance adapter. You will need to purchase additional straight pipe, condensation drains and if necessary, elbows.